7951876920 has 160 divisors (see below), whose sum is σ = 28783228320. Its totient is φ = 1957374720.

The previous prime is 7951876909. The next prime is 7951876921. The reversal of 7951876920 is 296781597.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7951876921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52276 + ... + 136515.

It is an arithmetic number, because the mean of its divisors is an integer number (179895177).

Almost surely, 2^7951876920 is an apocalyptic number.

It is an amenable number.

7951876920 is an abundant number, since it is smaller than the sum of its proper divisors (20831351400).

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

7951876920 is a wasteful number, since it uses less digits than its factorization.

7951876920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188827 (or 188814 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The square root of 7951876920 is about 89173.2971241952. The cubic root of 7951876920 is about 1995.9816752735.

The spelling of 7951876920 in words is "seven billion, nine hundred fifty-one million, eight hundred seventy-six thousand, nine hundred twenty".