69876688640 has 72 divisors (see below), whose sum is σ = 182592588528. Its totient is φ = 25409699840.

The previous prime is 69876688621. The next prime is 69876688643. The reversal of 69876688640 is 4688667896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69876688643) 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, 2467337 + ... + 2495496.

It is an arithmetic number, because the mean of its divisors is an integer number (2536008174).

Almost surely, 2^69876688640 is an apocalyptic number.

It is an amenable number.

69876688640 is an abundant number, since it is smaller than the sum of its proper divisors (112715899888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69876688640 is a wasteful number, since it uses less digits than its factorization.

69876688640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962865 (or 4962851 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 68.

The spelling of 69876688640 in words is "sixty-nine billion, eight hundred seventy-six million, six hundred eighty-eight thousand, six hundred forty".