88731477 has 16 divisors (see below), whose sum is σ = 132052480. Its totient is φ = 58885056.

The previous prime is 88731473. The next prime is 88731479. The reversal of 88731477 is 77413788.

It is a happy number.

It is not a de Polignac number, because 88731477 - 2² = 88731473 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 (88731473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348 + ... + 13389.

It is an arithmetic number, because the mean of its divisors is an integer number (8253280).

Almost surely, 2^88731477 is an apocalyptic number.

It is an amenable number.

88731477 is a deficient number, since it is larger than the sum of its proper divisors (43321003).

88731477 is a wasteful number, since it uses less digits than its factorization.

88731477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14969 (or 14963 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 88731477 is about 9419.7386906432. The cubic root of 88731477 is about 446.0250359638.

The spelling of 88731477 in words is "eighty-eight million, seven hundred thirty-one thousand, four hundred seventy-seven".