953978532564 has 24 divisors (see below), whose sum is σ = 2225996222688. Its totient is φ = 317986228000.

The previous prime is 953978532553. The next prime is 953978532673. The reversal of 953978532564 is 465235879359.

It is a junction number, because it is equal to n+sod(n) for n = 953978532495 and 953978532504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207687 + ... + 1396814.

It is an arithmetic number, because the mean of its divisors is an integer number (92749842612).

Almost surely, 2^953978532564 is an apocalyptic number.

It is an amenable number.

953978532564 is an abundant number, since it is smaller than the sum of its proper divisors (1272017690124).

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

953978532564 is a wasteful number, since it uses less digits than its factorization.

953978532564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654055 (or 1654053 counting only the distinct ones).

The product of its digits is 244944000, while the sum is 66.

The spelling of 953978532564 in words is "nine hundred fifty-three billion, nine hundred seventy-eight million, five hundred thirty-two thousand, five hundred sixty-four".