86980437 has 12 divisors (see below), whose sum is σ = 125759244. Its totient is φ = 57931200.

The previous prime is 86980433. The next prime is 86980441. The reversal of 86980437 is 73408968.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86980433) and next prime (86980441).

It can be written as a sum of positive squares in 2 ways, for example, as 73977201 + 13003236 = 8601^2 + 3606^2 .

It is not a de Polignac number, because 86980437 - 2² = 86980433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86980392 and 86980401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86980433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6687 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (10479937).

Almost surely, 2^86980437 is an apocalyptic number.

It is an amenable number.

86980437 is a deficient number, since it is larger than the sum of its proper divisors (38778807).

86980437 is a wasteful number, since it uses less digits than its factorization.

86980437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300 (or 9297 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 86980437 is about 9326.3303072538. The cubic root of 86980437 is about 443.0715471951.

The spelling of 86980437 in words is "eighty-six million, nine hundred eighty thousand, four hundred thirty-seven".