953879978359 has 32 divisors (see below), whose sum is σ = 1195645473792. Its totient is φ = 739290048000.

The previous prime is 953879978357. The next prime is 953879978413.

953879978359 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 953879978359 - 2¹ = 953879978357 is a prime.

It is a super-2 number, since 2×953879978359² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953879978357) 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, 66599919 + ... + 66614239.

It is an arithmetic number, because the mean of its divisors is an integer number (37363921056).

Almost surely, 2^953879978359 is an apocalyptic number.

953879978359 is a deficient number, since it is larger than the sum of its proper divisors (241765495433).

953879978359 is a wasteful number, since it uses less digits than its factorization.

953879978359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18927.

The product of its digits is 4629441600, while the sum is 82.

The spelling of 953879978359 in words is "nine hundred fifty-three billion, eight hundred seventy-nine million, nine hundred seventy-eight thousand, three hundred fifty-nine".