69940119879 has 48 divisors (see below), whose sum is σ = 124119290880. Its totient is φ = 37056709440.

The previous prime is 69940119863. The next prime is 69940119889. The reversal of 69940119879 is 97891104996.

It is not a de Polignac number, because 69940119879 - 2⁴ = 69940119863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69940119829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565332 + ... + 677849.

It is an arithmetic number, because the mean of its divisors is an integer number (2585818560).

Almost surely, 2^69940119879 is an apocalyptic number.

69940119879 is a deficient number, since it is larger than the sum of its proper divisors (54179171001).

69940119879 is a wasteful number, since it uses less digits than its factorization.

69940119879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243260 (or 1243257 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 63.

The spelling of 69940119879 in words is "sixty-nine billion, nine hundred forty million, one hundred nineteen thousand, eight hundred seventy-nine".