77063714140 has 36 divisors (see below), whose sum is σ = 188255646936. Its totient is φ = 26421844512.

The previous prime is 77063714131. The next prime is 77063714159. The reversal of 77063714140 is 4141736077.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77063714093 and 77063714102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39317242 + ... + 39319201.

It is an arithmetic number, because the mean of its divisors is an integer number (5229323526).

Almost surely, 2^77063714140 is an apocalyptic number.

77063714140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77063714140 is an abundant number, since it is smaller than the sum of its proper divisors (111191932796).

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

77063714140 is a wasteful number, since it uses less digits than its factorization.

77063714140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78636466 (or 78636457 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 77063714140 in words is "seventy-seven billion, sixty-three million, seven hundred fourteen thousand, one hundred forty".