396477825131 has 2 divisors, whose sum is σ = 396477825132. Its totient is φ = 396477825130.

The previous prime is 396477825109. The next prime is 396477825169. The reversal of 396477825131 is 131528774693.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396477825131 is a prime.

It is a super-2 number, since 2×396477825131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396477845131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198238912565 + 198238912566.

It is an arithmetic number, because the mean of its divisors is an integer number (198238912566).

Almost surely, 2^396477825131 is an apocalyptic number.

396477825131 is a deficient number, since it is larger than the sum of its proper divisors (1).

396477825131 is an equidigital number, since it uses as much as digits as its factorization.

396477825131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The spelling of 396477825131 in words is "three hundred ninety-six billion, four hundred seventy-seven million, eight hundred twenty-five thousand, one hundred thirty-one".