972259548057 has 144 divisors (see below), whose sum is σ = 1798650427392. Its totient is φ = 521489041920.

The previous prime is 972259548031. The next prime is 972259548101. The reversal of 972259548057 is 750845952279.

It is not a de Polignac number, because 972259548057 - 2¹² = 972259543961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 972259547985 and 972259548003.

It is not an unprimeable number, because it can be changed into a prime (972259546057) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 77520207 + ... + 77532747.

It is an arithmetic number, because the mean of its divisors is an integer number (12490627968).

Almost surely, 2^972259548057 is an apocalyptic number.

It is an amenable number.

972259548057 is a deficient number, since it is larger than the sum of its proper divisors (826390879335).

972259548057 is a wasteful number, since it uses less digits than its factorization.

972259548057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970 (or 12951 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 972259548057 in words is "nine hundred seventy-two billion, two hundred fifty-nine million, five hundred forty-eight thousand, fifty-seven".