86942973 has 8 divisors (see below), whose sum is σ = 124841248. Its totient is φ = 53503344.

The previous prime is 86942963. The next prime is 86942983. The reversal of 86942973 is 37924968.

It is an interprime number because it is at equal distance from previous prime (86942963) and next prime (86942983).

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

It is not a de Polignac number, because 86942973 - 2⁶ = 86942909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86942953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114615 + ... + 1114692.

It is an arithmetic number, because the mean of its divisors is an integer number (15605156).

Almost surely, 2^86942973 is an apocalyptic number.

It is an amenable number.

86942973 is a deficient number, since it is larger than the sum of its proper divisors (37898275).

86942973 is a wasteful number, since it uses less digits than its factorization.

86942973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229323.

The product of its digits is 653184, while the sum is 48.

The square root of 86942973 is about 9324.3215839009. The cubic root of 86942973 is about 443.0079251640.

The spelling of 86942973 in words is "eighty-six million, nine hundred forty-two thousand, nine hundred seventy-three".