88486691 has 4 divisors (see below), whose sum is σ = 88646112. Its totient is φ = 88327272.

The previous prime is 88486663. The next prime is 88486703. The reversal of 88486691 is 19668488.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88486691 - 2²⁶ = 21377827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88489691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78875 + ... + 79988.

It is an arithmetic number, because the mean of its divisors is an integer number (22161528).

Almost surely, 2^88486691 is an apocalyptic number.

88486691 is a deficient number, since it is larger than the sum of its proper divisors (159421).

88486691 is a wasteful number, since it uses less digits than its factorization.

88486691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159420.

The product of its digits is 663552, while the sum is 50.

The square root of 88486691 is about 9406.7364691481. The cubic root of 88486691 is about 445.6145043154.

The spelling of 88486691 in words is "eighty-eight million, four hundred eighty-six thousand, six hundred ninety-one".