86961814 has 8 divisors (see below), whose sum is σ = 130888800. Its totient is φ = 43332216.

The previous prime is 86961773. The next prime is 86961859. The reversal of 86961814 is 41816968.

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

It is a congruent number.

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, 73614 + ... + 74785.

It is an arithmetic number, because the mean of its divisors is an integer number (16361100).

Almost surely, 2^86961814 is an apocalyptic number.

86961814 is a deficient number, since it is larger than the sum of its proper divisors (43926986).

86961814 is a wasteful number, since it uses less digits than its factorization.

86961814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148694.

The product of its digits is 82944, while the sum is 43.

The square root of 86961814 is about 9325.3318439614. The cubic root of 86961814 is about 443.0399235693.

The spelling of 86961814 in words is "eighty-six million, nine hundred sixty-one thousand, eight hundred fourteen".