86895972 has 18 divisors (see below), whose sum is σ = 219653798. Its totient is φ = 28965312.

The previous prime is 86895947. The next prime is 86896003. The reversal of 86895972 is 27959868.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56160036 + 30735936 = 7494^2 + 5544^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1206853 + ... + 1206924.

Almost surely, 2^86895972 is an apocalyptic number.

It is an amenable number.

86895972 is an abundant number, since it is smaller than the sum of its proper divisors (132757826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86895972 is a wasteful number, since it uses less digits than its factorization.

86895972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413787 (or 2413782 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 86895972 is about 9321.8008989680. The cubic root of 86895972 is about 442.9280813769.

The spelling of 86895972 in words is "eighty-six million, eight hundred ninety-five thousand, nine hundred seventy-two".