69677992664 has 32 divisors (see below), whose sum is σ = 149344469280. Its totient is φ = 29855099904.

The previous prime is 69677992591. The next prime is 69677992669. The reversal of 69677992664 is 46629977696.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69677992669) 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, 104744 + ... + 387720.

It is an arithmetic number, because the mean of its divisors is an integer number (4667014665).

Almost surely, 2^69677992664 is an apocalyptic number.

It is an amenable number.

69677992664 is an abundant number, since it is smaller than the sum of its proper divisors (79666476616).

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

69677992664 is a wasteful number, since it uses less digits than its factorization.

69677992664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287387 (or 287383 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 71.

The spelling of 69677992664 in words is "sixty-nine billion, six hundred seventy-seven million, nine hundred ninety-two thousand, six hundred sixty-four".