23778335625 has 160 divisors (see below), whose sum is σ = 46438634880. Its totient is φ = 10690560000.

The previous prime is 23778335621. The next prime is 23778335627. The reversal of 23778335625 is 52653387732.

It is not a de Polignac number, because 23778335625 - 2² = 23778335621 is a prime.

It is a super-3 number, since 3×23778335625³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (23778335621) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25595161 + ... + 25596089.

It is an arithmetic number, because the mean of its divisors is an integer number (290241468).

Almost surely, 2^23778335625 is an apocalyptic number.

23778335625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23778335625 is a deficient number, since it is larger than the sum of its proper divisors (22660299255).

23778335625 is a wasteful number, since it uses less digits than its factorization.

23778335625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1038 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 51.

The spelling of 23778335625 in words is "twenty-three billion, seven hundred seventy-eight million, three hundred thirty-five thousand, six hundred twenty-five".