88643975 has 12 divisors (see below), whose sum is σ = 125621424. Its totient is φ = 60784320.

The previous prime is 88643957. The next prime is 88643977. The reversal of 88643975 is 57934688.

It is not a de Polignac number, because 88643975 - 2²² = 84449671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88643977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253094 + ... + 253443.

It is an arithmetic number, because the mean of its divisors is an integer number (10468452).

Almost surely, 2^88643975 is an apocalyptic number.

88643975 is a deficient number, since it is larger than the sum of its proper divisors (36977449).

88643975 is a wasteful number, since it uses less digits than its factorization.

88643975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506554 (or 506549 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 88643975 is about 9415.0929363443. The cubic root of 88643975 is about 445.8783727948.

The spelling of 88643975 in words is "eighty-eight million, six hundred forty-three thousand, nine hundred seventy-five".