86888372 has 6 divisors (see below), whose sum is σ = 152054658. Its totient is φ = 43444184.

The previous prime is 86888371. The next prime is 86888393. The reversal of 86888372 is 27388868.

It can be written as a sum of positive squares in only one way, i.e., 83101456 + 3786916 = 9116^2 + 1946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86888372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86888371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10861043 + ... + 10861050.

It is an arithmetic number, because the mean of its divisors is an integer number (25342443).

Almost surely, 2^86888372 is an apocalyptic number.

It is an amenable number.

86888372 is a deficient number, since it is larger than the sum of its proper divisors (65166286).

86888372 is a wasteful number, since it uses less digits than its factorization.

86888372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722097 (or 21722095 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 86888372 is about 9321.3932435017. The cubic root of 86888372 is about 442.9151680374.

The spelling of 86888372 in words is "eighty-six million, eight hundred eighty-eight thousand, three hundred seventy-two".