99976546670 has 128 divisors (see below), whose sum is σ = 241873551360. Its totient is φ = 28734497280.

The previous prime is 99976546669. The next prime is 99976546697. The reversal of 99976546670 is 7664567999.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99976546670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10696019 + ... + 10705361.

It is an arithmetic number, because the mean of its divisors is an integer number (1889637120).

Almost surely, 2^99976546670 is an apocalyptic number.

99976546670 is an abundant number, since it is smaller than the sum of its proper divisors (141897004690).

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

99976546670 is a wasteful number, since it uses less digits than its factorization.

99976546670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450.

The product of its (nonzero) digits is 154314720, while the sum is 68.

It can be divided in two parts, 99976 and 546670, that added together give a palindrome (646646).

The spelling of 99976546670 in words is "ninety-nine billion, nine hundred seventy-six million, five hundred forty-six thousand, six hundred seventy".