2972130978 has 32 divisors (see below), whose sum is σ = 6567578496. Its totient is φ = 891891968.

The previous prime is 2972130949. The next prime is 2972131003. The reversal of 2972130978 is 8790312792.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631101 + ... + 635792.

It is an arithmetic number, because the mean of its divisors is an integer number (205236828).

Almost surely, 2^2972130978 is an apocalyptic number.

2972130978 is an abundant number, since it is smaller than the sum of its proper divisors (3595447518).

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

2972130978 is a wasteful number, since it uses less digits than its factorization.

2972130978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266938.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 2972130978 is about 54517.2539477182. The cubic root of 2972130978 is about 1437.7696597883.

The spelling of 2972130978 in words is "two billion, nine hundred seventy-two million, one hundred thirty thousand, nine hundred seventy-eight".