80829688 has 16 divisors (see below), whose sum is σ = 153632880. Its totient is φ = 39860928.

The previous prime is 80829653. The next prime is 80829701. The reversal of 80829688 is 88692808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68620 + ... + 69787.

It is an arithmetic number, because the mean of its divisors is an integer number (9602055).

Almost surely, 2^80829688 is an apocalyptic number.

It is an amenable number.

80829688 is a deficient number, since it is larger than the sum of its proper divisors (72803192).

80829688 is a wasteful number, since it uses less digits than its factorization.

80829688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138486 (or 138482 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 80829688 is about 8990.5332433622. The cubic root of 80829688 is about 432.3714084167.

The spelling of 80829688 in words is "eighty million, eight hundred twenty-nine thousand, six hundred eighty-eight".