12878062631 has 8 divisors (see below), whose sum is σ = 14743656480. Its totient is φ = 11018936448.

The previous prime is 12878062621. The next prime is 12878062693. The reversal of 12878062631 is 13626087821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12878062631 - 2²² = 12873868327 is a prime.

It is a super-2 number, since 2×12878062631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878062621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612646 + ... + 1620611.

It is an arithmetic number, because the mean of its divisors is an integer number (1842957060).

Almost surely, 2^12878062631 is an apocalyptic number.

12878062631 is a deficient number, since it is larger than the sum of its proper divisors (1865593849).

12878062631 is an equidigital number, since it uses as much as digits as its factorization.

12878062631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233833.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12878062631 in words is "twelve billion, eight hundred seventy-eight million, sixty-two thousand, six hundred thirty-one".