975902109 has 32 divisors (see below), whose sum is σ = 1611751680. Its totient is φ = 511460352.

The previous prime is 975902009. The next prime is 975902129. The reversal of 975902109 is 901209579.

It is not a de Polignac number, because 975902109 - 2⁸ = 975901853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975902129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31477 + ... + 54245.

It is an arithmetic number, because the mean of its divisors is an integer number (50367240).

Almost surely, 2^975902109 is an apocalyptic number.

It is an amenable number.

975902109 is a deficient number, since it is larger than the sum of its proper divisors (635849571).

975902109 is a wasteful number, since it uses less digits than its factorization.

975902109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22949.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 975902109 is about 31239.4319570635. The cubic root of 975902109 is about 991.9019685715.

It can be divided in two parts, 97590 and 2109, that added together give a palindrome (99699).

The spelling of 975902109 in words is "nine hundred seventy-five million, nine hundred two thousand, one hundred nine".