7636457892 has 48 divisors (see below), whose sum is σ = 20837476352. Its totient is φ = 2131103520.

The previous prime is 7636457887. The next prime is 7636457893. The reversal of 7636457892 is 2987546367.

It is not an unprimeable number, because it can be changed into a prime (7636457893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053484 + ... + 1060707.

Almost surely, 2^7636457892 is an apocalyptic number.

It is an amenable number.

7636457892 is an abundant number, since it is smaller than the sum of its proper divisors (13201018460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7636457892 is a wasteful number, since it uses less digits than its factorization.

7636457892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114248 (or 2114246 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The square root of 7636457892 is about 87386.8290533533. The cubic root of 7636457892 is about 1969.2339770426.

The spelling of 7636457892 in words is "seven billion, six hundred thirty-six million, four hundred fifty-seven thousand, eight hundred ninety-two".