78625503052 has 12 divisors (see below), whose sum is σ = 141313404400. Its totient is φ = 38250244656.

The previous prime is 78625503041. The next prime is 78625503067. The reversal of 78625503052 is 25030552687.

It is a super-2 number, since 2×78625503052² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265626552 + ... + 265626847.

Almost surely, 2^78625503052 is an apocalyptic number.

It is an amenable number.

78625503052 is a deficient number, since it is larger than the sum of its proper divisors (62687901348).

78625503052 is a wasteful number, since it uses less digits than its factorization.

78625503052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531253440 (or 531253438 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 78625503052 in words is "seventy-eight billion, six hundred twenty-five million, five hundred three thousand, fifty-two".