972115810870 has 16 divisors (see below), whose sum is σ = 1752635301840. Its totient is φ = 388218137184.

The previous prime is 972115810819. The next prime is 972115810871. The reversal of 972115810870 is 78018511279.

972115810870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×972115810870³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972115810871) 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, 78516897 + ... + 78529276.

It is an arithmetic number, because the mean of its divisors is an integer number (109539706365).

Almost surely, 2^972115810870 is an apocalyptic number.

972115810870 is a deficient number, since it is larger than the sum of its proper divisors (780519490970).

972115810870 is a wasteful number, since it uses less digits than its factorization.

972115810870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157046799.

The product of its (nonzero) digits is 282240, while the sum is 49.

The spelling of 972115810870 in words is "nine hundred seventy-two billion, one hundred fifteen million, eight hundred ten thousand, eight hundred seventy".