69477668125 has 20 divisors (see below), whose sum is σ = 91388746240. Its totient is φ = 52656750000.

The previous prime is 69477668119. The next prime is 69477668179. The reversal of 69477668125 is 52186677496.

It is a happy number.

It is not a de Polignac number, because 69477668125 - 2⁷ = 69477667997 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2913501 + ... + 2937250.

It is an arithmetic number, because the mean of its divisors is an integer number (4569437312).

Almost surely, 2^69477668125 is an apocalyptic number.

It is an amenable number.

69477668125 is a deficient number, since it is larger than the sum of its proper divisors (21911078115).

69477668125 is an equidigital number, since it uses as much as digits as its factorization.

69477668125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850790 (or 5850775 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 61.

The spelling of 69477668125 in words is "sixty-nine billion, four hundred seventy-seven million, six hundred sixty-eight thousand, one hundred twenty-five".