88401786825172 has 6 divisors (see below), whose sum is σ = 154703126944058. Its totient is φ = 44200893412584.

The previous prime is 88401786825161. The next prime is 88401786825179. The reversal of 88401786825172 is 27152868710488.

It can be written as a sum of positive squares in only one way, i.e., 80358244204176 + 8043542620996 = 8964276^2 + 2836114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88401786825098 and 88401786825107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88401786825179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050223353143 + ... + 11050223353150.

Almost surely, 2^{88401786825172} is an apocalyptic number.

It is an amenable number.

88401786825172 is a deficient number, since it is larger than the sum of its proper divisors (66301340118886).

88401786825172 is a wasteful number, since it uses less digits than its factorization.

88401786825172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100446706297 (or 22100446706295 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 67.

The spelling of 88401786825172 in words is "eighty-eight trillion, four hundred one billion, seven hundred eighty-six million, eight hundred twenty-five thousand, one hundred seventy-two".