80629899 has 8 divisors (see below), whose sum is σ = 122864640. Its totient is φ = 46074216.

The previous prime is 80629897. The next prime is 80629909. The reversal of 80629899 is 99892608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80629899 - 2¹ = 80629897 is a prime.

It is a super-2 number, since 2×80629899² = 13002361225500402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80629891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919739 + ... + 1919780.

It is an arithmetic number, because the mean of its divisors is an integer number (15358080).

Almost surely, 2^80629899 is an apocalyptic number.

80629899 is a deficient number, since it is larger than the sum of its proper divisors (42234741).

80629899 is a wasteful number, since it uses less digits than its factorization.

80629899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839529.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 80629899 is about 8979.4152927682. The cubic root of 80629899 is about 432.0148796744.

The spelling of 80629899 in words is "eighty million, six hundred twenty-nine thousand, eight hundred ninety-nine".