972621711 has 12 divisors (see below), whose sum is σ = 1409419440. Its totient is φ = 646327680.

The previous prime is 972621673. The next prime is 972621719. The reversal of 972621711 is 117126279.

It is a happy number.

It is not a de Polignac number, because 972621711 - 2¹³ = 972613519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972621719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170946 + ... + 176543.

It is an arithmetic number, because the mean of its divisors is an integer number (117451620).

Almost surely, 2^972621711 is an apocalyptic number.

972621711 is a deficient number, since it is larger than the sum of its proper divisors (436797729).

972621711 is a wasteful number, since it uses less digits than its factorization.

972621711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347806 (or 347803 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 972621711 is about 31186.8836371959. The cubic root of 972621711 is about 990.7893276485.

The spelling of 972621711 in words is "nine hundred seventy-two million, six hundred twenty-one thousand, seven hundred eleven".