99570463 has 4 divisors (see below), whose sum is σ = 99603880. Its totient is φ = 99537048.

The previous prime is 99570461. The next prime is 99570503. The reversal of 99570463 is 36407599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99570463 - 2¹ = 99570461 is a prime.

It is the 9979-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99570461) by changing a digit.

It is a nontrivial repunit in base 9978.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11748 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (24900970).

Almost surely, 2^99570463 is an apocalyptic number.

99570463 is a deficient number, since it is larger than the sum of its proper divisors (33417).

99570463 is a wasteful number, since it uses less digits than its factorization.

99570463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33416.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 99570463 is about 9978.5000375808. The cubic root of 99570463 is about 463.4933515003.

The spelling of 99570463 in words is "ninety-nine million, five hundred seventy thousand, four hundred sixty-three".