80899670229 has 16 divisors (see below), whose sum is σ = 127526574720. Its totient is φ = 44634300480.

The previous prime is 80899670207. The next prime is 80899670231. The reversal of 80899670229 is 92207699808.

It is a happy number.

It is not a de Polignac number, because 80899670229 - 2¹⁵ = 80899637461 is a prime.

It is a super-3 number, since 3×80899670229³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80899670029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66419482 + ... + 66420699.

It is an arithmetic number, because the mean of its divisors is an integer number (7970410920).

Almost surely, 2^80899670229 is an apocalyptic number.

It is an amenable number.

80899670229 is a deficient number, since it is larger than the sum of its proper divisors (46626904491).

80899670229 is a wasteful number, since it uses less digits than its factorization.

80899670229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132840220.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 80899670229 in words is "eighty billion, eight hundred ninety-nine million, six hundred seventy thousand, two hundred twenty-nine".