780922949192064 has 1152 divisors, whose sum is σ = 2687169748348800. Its totient is φ = 216970055221248.

The previous prime is 780922949192021. The next prime is 780922949192077. The reversal of 780922949192064 is 460291949229087.

780922949192064 is a `hidden beast` number, since 7 + 8 + 0 + 92 + 29 + 491 + 9 + 20 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 780922949191983 and 780922949192001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 348160029727 + ... + 348160031969.

It is an arithmetic number, because the mean of its divisors is an integer number (2332612628775).

Almost surely, 2^{780922949192064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780922949192064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343584874174400).

780922949192064 is an abundant number, since it is smaller than the sum of its proper divisors (1906246799156736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

780922949192064 is a wasteful number, since it uses less digits than its factorization.

780922949192064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 780922949192064 in words is "seven hundred eighty trillion, nine hundred twenty-two billion, nine hundred forty-nine million, one hundred ninety-two thousand, sixty-four".