975354157820 has 48 divisors (see below), whose sum is σ = 2347481400768. Its totient is φ = 333459793920.

The previous prime is 975354157787. The next prime is 975354157823. The reversal of 975354157820 is 28751453579.

It is a super-2 number, since 2×975354157820² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975354157823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9818591 + ... + 9917430.

It is an arithmetic number, because the mean of its divisors is an integer number (48905862516).

Almost surely, 2^975354157820 is an apocalyptic number.

It is an amenable number.

975354157820 is an abundant number, since it is smaller than the sum of its proper divisors (1372127242948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

975354157820 is a wasteful number, since it uses less digits than its factorization.

975354157820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19736390 (or 19736388 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 975354157820 in words is "nine hundred seventy-five billion, three hundred fifty-four million, one hundred fifty-seven thousand, eight hundred twenty".