99697612 has 24 divisors (see below), whose sum is σ = 205829120. Its totient is φ = 41348880.

The previous prime is 99697583. The next prime is 99697687. The reversal of 99697612 is 21679699.

It is a super-2 number, since 2×99697612² = 19879227677005088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56562 + ... + 58297.

Almost surely, 2^99697612 is an apocalyptic number.

It is an amenable number.

99697612 is an abundant number, since it is smaller than the sum of its proper divisors (106131508).

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

99697612 is a wasteful number, since it uses less digits than its factorization.

99697612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114901 (or 114899 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 99697612 is about 9984.8691528733. The cubic root of 99697612 is about 463.6905574017.

The spelling of 99697612 in words is "ninety-nine million, six hundred ninety-seven thousand, six hundred twelve".