78952599525987 has 24 divisors (see below), whose sum is σ = 124413020931888. Its totient is φ = 47848958740800.

The previous prime is 78952599525959. The next prime is 78952599526109.

78952599525987 is a `hidden beast` number, since 7 + 8 + 9 + 5 + 2 + 5 + 9 + 9 + 5 + 2 + 598 + 7 = 666.

78952599525987 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78952599525987 - 2⁷ = 78952599525859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78952599525897 and 78952599525906.

It is not an unprimeable number, because it can be changed into a prime (78952599505987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4847488 + ... + 13468605.

It is an arithmetic number, because the mean of its divisors is an integer number (5183875872162).

Almost surely, 2^{78952599525987} is an apocalyptic number.

78952599525987 is a deficient number, since it is larger than the sum of its proper divisors (45460421405901).

78952599525987 is a wasteful number, since it uses less digits than its factorization.

78952599525987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18359651 (or 18359648 counting only the distinct ones).

The product of its digits is 51438240000, while the sum is 90.

The spelling of 78952599525987 in words is "seventy-eight trillion, nine hundred fifty-two billion, five hundred ninety-nine million, five hundred twenty-five thousand, nine hundred eighty-seven".