8920778124 has 24 divisors (see below), whose sum is σ = 20817536320. Its totient is φ = 2973251664.

The previous prime is 8920778093. The next prime is 8920778149. The reversal of 8920778124 is 4218770298.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80607 + ... + 156009.

Almost surely, 2^8920778124 is an apocalyptic number.

It is an amenable number.

8920778124 is an abundant number, since it is smaller than the sum of its proper divisors (11896758196).

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

8920778124 is a wasteful number, since it uses less digits than its factorization.

8920778124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85269 (or 85267 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 8920778124 is about 94449.8709580908. The cubic root of 8920778124 is about 2073.9625625622.

It can be divided in two parts, 89207 and 78124, that added together give a triangular number (167331 = T₅₇₈).

The spelling of 8920778124 in words is "eight billion, nine hundred twenty million, seven hundred seventy-eight thousand, one hundred twenty-four".