8664429627 has 56 divisors (see below), whose sum is σ = 15719998176. Its totient is φ = 4659814656.

The previous prime is 8664429623. The next prime is 8664429629. The reversal of 8664429627 is 7269244668.

8664429627 is a `hidden beast` number, since 8 + 6 + 6 + 4 + 4 + 2 + 9 + 627 = 666.

It is not a de Polignac number, because 8664429627 - 2² = 8664429623 is a prime.

It is a super-2 number, since 2×8664429627² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8664429623) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 36813 + ... + 136689.

Almost surely, 2^8664429627 is an apocalyptic number.

8664429627 is a deficient number, since it is larger than the sum of its proper divisors (7055568549).

8664429627 is an equidigital number, since it uses as much as digits as its factorization.

8664429627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99919 (or 99904 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 8664429627 is about 93082.9180193659. The cubic root of 8664429627 is about 2053.9033010203.

The spelling of 8664429627 in words is "eight billion, six hundred sixty-four million, four hundred twenty-nine thousand, six hundred twenty-seven".