972776880 has 60 divisors (see below), whose sum is σ = 3266911440. Its totient is φ = 259406976.

The previous prime is 972776863. The next prime is 972776891. The reversal of 972776880 is 88677279.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674820 + ... + 676259.

It is an arithmetic number, because the mean of its divisors is an integer number (54448524).

Almost surely, 2^972776880 is an apocalyptic number.

972776880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

972776880 is an abundant number, since it is smaller than the sum of its proper divisors (2294134560).

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

972776880 is a wasteful number, since it uses less digits than its factorization.

972776880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351098 (or 1351089 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 972776880 is about 31189.3712665068. The cubic root of 972776880 is about 990.8420139816.

The spelling of 972776880 in words is "nine hundred seventy-two million, seven hundred seventy-six thousand, eight hundred eighty".