9875951264 has 12 divisors (see below), whose sum is σ = 19443279114. Its totient is φ = 4937975616.

The previous prime is 9875951249. The next prime is 9875951303. The reversal of 9875951264 is 4621595789.

It can be written as a sum of positive squares in only one way, i.e., 7345861264 + 2530090000 = 85708^2 + 50300^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154311707 + ... + 154311770.

Almost surely, 2^9875951264 is an apocalyptic number.

It is an amenable number.

9875951264 is a deficient number, since it is larger than the sum of its proper divisors (9567327850).

9875951264 is a wasteful number, since it uses less digits than its factorization.

9875951264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308623487 (or 308623479 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The square root of 9875951264 is about 99377.8207851229. The cubic root of 9875951264 is about 2145.4891011244.

The spelling of 9875951264 in words is "nine billion, eight hundred seventy-five million, nine hundred fifty-one thousand, two hundred sixty-four".