99574153977 has 16 divisors (see below), whose sum is σ = 134241269760. Its totient is φ = 65646699792.

The previous prime is 99574153969. The next prime is 99574154059. The reversal of 99574153977 is 77935147599.

It is not a de Polignac number, because 99574153977 - 2³ = 99574153969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99574153927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923 + ... + 446264.

It is an arithmetic number, because the mean of its divisors is an integer number (8390079360).

Almost surely, 2^99574153977 is an apocalyptic number.

It is an amenable number.

99574153977 is a deficient number, since it is larger than the sum of its proper divisors (34667115783).

99574153977 is a wasteful number, since it uses less digits than its factorization.

99574153977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449012.

The product of its digits is 75014100, while the sum is 66.

The spelling of 99574153977 in words is "ninety-nine billion, five hundred seventy-four million, one hundred fifty-three thousand, nine hundred seventy-seven".