88690475 has 6 divisors (see below), whose sum is σ = 109976220. Its totient is φ = 70952360.

The previous prime is 88690453. The next prime is 88690477. The reversal of 88690475 is 57409688.

It is a de Polignac number, because none of the positive numbers 2^k-88690475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88690477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1773785 + ... + 1773834.

It is an arithmetic number, because the mean of its divisors is an integer number (18329370).

Almost surely, 2^88690475 is an apocalyptic number.

88690475 is a deficient number, since it is larger than the sum of its proper divisors (21285745).

88690475 is a wasteful number, since it uses less digits than its factorization.

88690475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547629 (or 3547624 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 88690475 is about 9417.5620518264. The cubic root of 88690475 is about 445.9563240224.

The spelling of 88690475 in words is "eighty-eight million, six hundred ninety thousand, four hundred seventy-five".