972891276 has 72 divisors (see below), whose sum is σ = 2779721280. Its totient is φ = 263335968.

The previous prime is 972891263. The next prime is 972891301. The reversal of 972891276 is 672198279.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32370 + ... + 54713.

It is an arithmetic number, because the mean of its divisors is an integer number (38607240).

Almost surely, 2^972891276 is an apocalyptic number.

It is an amenable number.

972891276 is an abundant number, since it is smaller than the sum of its proper divisors (1806830004).

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

972891276 is a wasteful number, since it uses less digits than its factorization.

972891276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87123 (or 87114 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 972891276 is about 31191.2051065681. The cubic root of 972891276 is about 990.8808525966.

The spelling of 972891276 in words is "nine hundred seventy-two million, eight hundred ninety-one thousand, two hundred seventy-six".