959972437 has 4 divisors (see below), whose sum is σ = 985917676. Its totient is φ = 934027200.

The previous prime is 959972393. The next prime is 959972477. The reversal of 959972437 is 734279959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 734279959 = 7 ⋅104897137.

It can be written as a sum of positive squares in 2 ways, for example, as 699020721 + 260951716 = 26439^2 + 16154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-959972437 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 (959972477) 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, 12972564 + ... + 12972637.

It is an arithmetic number, because the mean of its divisors is an integer number (246479419).

Almost surely, 2^959972437 is an apocalyptic number.

It is an amenable number.

959972437 is a deficient number, since it is larger than the sum of its proper divisors (25945239).

959972437 is a wasteful number, since it uses less digits than its factorization.

959972437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25945238.

The product of its digits is 4286520, while the sum is 55.

The square root of 959972437 is about 30983.4219704667. The cubic root of 959972437 is about 986.4753885025.

The spelling of 959972437 in words is "nine hundred fifty-nine million, nine hundred seventy-two thousand, four hundred thirty-seven".