2155958876 has 12 divisors (see below), whose sum is σ = 3773265720. Its totient is φ = 1077882960.

The previous prime is 2155958869. The next prime is 2155958881. The reversal of 2155958876 is 6788595512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54986 + ... + 85646.

It is an arithmetic number, because the mean of its divisors is an integer number (314438810).

Almost surely, 2^2155958876 is an apocalyptic number.

It is an amenable number.

2155958876 is a deficient number, since it is larger than the sum of its proper divisors (1617306844).

2155958876 is a wasteful number, since it uses less digits than its factorization.

2155958876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48244 (or 48242 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 56.

The square root of 2155958876 is about 46432.3042288448. The cubic root of 2155958876 is about 1291.8541683785.

The spelling of 2155958876 in words is "two billion, one hundred fifty-five million, nine hundred fifty-eight thousand, eight hundred seventy-six".