86773923 has 10 divisors (see below), whose sum is σ = 129625364. Its totient is φ = 57849228.

The previous prime is 86773913. The next prime is 86773979. The reversal of 86773923 is 32937768.

It is a happy number.

It is not a de Polignac number, because 86773923 - 2¹⁸ = 86511779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86773913) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 535561 + ... + 535722.

Almost surely, 2^86773923 is an apocalyptic number.

86773923 is a deficient number, since it is larger than the sum of its proper divisors (42851441).

86773923 is a wasteful number, since it uses less digits than its factorization.

86773923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071295 (or 1071286 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 86773923 is about 9315.2521704997. The cubic root of 86773923 is about 442.7206139218.

The spelling of 86773923 in words is "eighty-six million, seven hundred seventy-three thousand, nine hundred twenty-three".