52678644687625 has 16 divisors (see below), whose sum is σ = 71719580260224. Its totient is φ = 38311741590000.

The previous prime is 52678644687593. The next prime is 52678644687631.

52678644687625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52678644687625 - 2⁵ = 52678644687593 is a prime.

It is a super-2 number, since 2×52678644687625² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19155869421 + ... + 19155872170.

It is an arithmetic number, because the mean of its divisors is an integer number (4482473766264).

Almost surely, 2^{52678644687625} is an apocalyptic number.

52678644687625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52678644687625 is a deficient number, since it is larger than the sum of its proper divisors (19040935572599).

52678644687625 is a wasteful number, since it uses less digits than its factorization.

52678644687625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38311741617 (or 38311741607 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 76.

The spelling of 52678644687625 in words is "fifty-two trillion, six hundred seventy-eight billion, six hundred forty-four million, six hundred eighty-seven thousand, six hundred twenty-five".