86738923 has 4 divisors (see below), whose sum is σ = 88584480. Its totient is φ = 84893368.

The previous prime is 86738917. The next prime is 86738941. The reversal of 86738923 is 32983768.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86738923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86738963) 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, 922708 + ... + 922801.

It is an arithmetic number, because the mean of its divisors is an integer number (22146120).

Almost surely, 2^86738923 is an apocalyptic number.

86738923 is a deficient number, since it is larger than the sum of its proper divisors (1845557).

86738923 is a wasteful number, since it uses less digits than its factorization.

86738923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845556.

The product of its digits is 435456, while the sum is 46.

The square root of 86738923 is about 9313.3733415986. The cubic root of 86738923 is about 442.6610825759.

The spelling of 86738923 in words is "eighty-six million, seven hundred thirty-eight thousand, nine hundred twenty-three".