9772962780 has 72 divisors (see below), whose sum is σ = 31831945488. Its totient is φ = 2233819392.

The previous prime is 9772962763. The next prime is 9772962803. The reversal of 9772962780 is 872692779.

It is a self number, because there is not a number n which added to its sum of digits gives 9772962780.

It is a congruent number.

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, 1659129 + ... + 1665008.

It is an arithmetic number, because the mean of its divisors is an integer number (442110354).

Almost surely, 2^9772962780 is an apocalyptic number.

It is an amenable number.

9772962780 is an abundant number, since it is smaller than the sum of its proper divisors (22058982708).

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

9772962780 is a wasteful number, since it uses less digits than its factorization.

9772962780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324163 (or 3324154 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 9772962780 is about 98858.2964651930. The cubic root of 9772962780 is about 2138.0051562130.

The spelling of 9772962780 in words is "nine billion, seven hundred seventy-two million, nine hundred sixty-two thousand, seven hundred eighty".