977303772 has 24 divisors (see below), whose sum is σ = 2533750800. Its totient is φ = 325767888.

The previous prime is 977303771. The next prime is 977303813. The reversal of 977303772 is 277303779.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977303771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4524447 + ... + 4524662.

It is an arithmetic number, because the mean of its divisors is an integer number (105572950).

Almost surely, 2^977303772 is an apocalyptic number.

It is an amenable number.

977303772 is an abundant number, since it is smaller than the sum of its proper divisors (1556447028).

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

977303772 is a wasteful number, since it uses less digits than its factorization.

977303772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049122 (or 9049114 counting only the distinct ones).

The product of its (nonzero) digits is 388962, while the sum is 45.

The square root of 977303772 is about 31261.8581021666. The cubic root of 977303772 is about 992.3766224613.

The spelling of 977303772 in words is "nine hundred seventy-seven million, three hundred three thousand, seven hundred seventy-two".