78748994344860 has 192 divisors, whose sum is σ = 280336649779200. Its totient is φ = 17977898502144.

The previous prime is 78748994344859. The next prime is 78748994344871. The reversal of 78748994344860 is 6844349984787.

78748994344860 is a `hidden beast` number, since 7 + 8 + 7 + 4 + 8 + 99 + 43 + 4 + 486 + 0 = 666.

It is a super-2 number, since 2×78748994344860² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78748994344860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9545845 + ... + 15767724.

It is an arithmetic number, because the mean of its divisors is an integer number (1460086717600).

Almost surely, 2^{78748994344860} is an apocalyptic number.

78748994344860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78748994344860 is an abundant number, since it is smaller than the sum of its proper divisors (201587655434340).

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

78748994344860 is a wasteful number, since it uses less digits than its factorization.

78748994344860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25314417 (or 25314409 counting only the distinct ones).

The product of its (nonzero) digits is 9364045824, while the sum is 81.

The spelling of 78748994344860 in words is "seventy-eight trillion, seven hundred forty-eight billion, nine hundred ninety-four million, three hundred forty-four thousand, eight hundred sixty".