78586530062040 has 5376 divisors, whose sum is σ = 394279803187200. Its totient is φ = 13798381363200.

The previous prime is 78586530061997. The next prime is 78586530062057. The reversal of 78586530062040 is 4026003568587.

78586530062040 is a `hidden beast` number, since 7 + 8 + 5 + 8 + 6 + 5 + 3 + 0 + 0 + 620 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 1343 ways as a sum of consecutive naturals, for example, 120346906354 + ... + 120346907006.

It is an arithmetic number, because the mean of its divisors is an integer number (73340737200).

Almost surely, 2^{78586530062040} is an apocalyptic number.

78586530062040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78586530062040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197139901593600).

78586530062040 is an abundant number, since it is smaller than the sum of its proper divisors (315693273125160).

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

78586530062040 is a wasteful number, since it uses less digits than its factorization.

78586530062040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 78586530062040 in words is "seventy-eight trillion, five hundred eighty-six billion, five hundred thirty million, sixty-two thousand, forty".