78785732822325 has 12 divisors (see below), whose sum is σ = 130259078266368. Its totient is φ = 42019057505200.

The previous prime is 78785732822311. The next prime is 78785732822341. The reversal of 78785732822325 is 52322823758787.

It is not a de Polignac number, because 78785732822325 - 2¹⁵ = 78785732789557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78785732822325.

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, 525238218741 + ... + 525238218890.

It is an arithmetic number, because the mean of its divisors is an integer number (10854923188864).

Almost surely, 2^{78785732822325} is an apocalyptic number.

78785732822325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78785732822325 is a deficient number, since it is larger than the sum of its proper divisors (51473345444043).

78785732822325 is a wasteful number, since it uses less digits than its factorization.

78785732822325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050476437644 (or 1050476437639 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 69.

The spelling of 78785732822325 in words is "seventy-eight trillion, seven hundred eighty-five billion, seven hundred thirty-two million, eight hundred twenty-two thousand, three hundred twenty-five".