972210770390 has 16 divisors (see below), whose sum is σ = 1749994902432. Its totient is φ = 388880860224.

The previous prime is 972210770383. The next prime is 972210770429. The reversal of 972210770390 is 93077012279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970202 + ... + 1698738.

It is an arithmetic number, because the mean of its divisors is an integer number (109374681402).

Almost surely, 2^972210770390 is an apocalyptic number.

972210770390 is a deficient number, since it is larger than the sum of its proper divisors (777784132042).

972210770390 is a wasteful number, since it uses less digits than its factorization.

972210770390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861991.

The product of its (nonzero) digits is 333396, while the sum is 47.

The spelling of 972210770390 in words is "nine hundred seventy-two billion, two hundred ten million, seven hundred seventy thousand, three hundred ninety".