86919922 has 8 divisors (see below), whose sum is σ = 130876416. Its totient is φ = 43294452.

The previous prime is 86919907. The next prime is 86919961. The reversal of 86919922 is 22991968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82098 + ... + 83149.

It is an arithmetic number, because the mean of its divisors is an integer number (16359552).

Almost surely, 2^86919922 is an apocalyptic number.

86919922 is a deficient number, since it is larger than the sum of its proper divisors (43956494).

86919922 is a wasteful number, since it uses less digits than its factorization.

86919922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165512.

The product of its digits is 139968, while the sum is 46.

The square root of 86919922 is about 9323.0854334818. The cubic root of 86919922 is about 442.9687704632.

It can be divided in two parts, 869199 and 22, that added together give a triangular number (869221 = T₁₃₁₈).

The spelling of 86919922 in words is "eighty-six million, nine hundred nineteen thousand, nine hundred twenty-two".