80699392 has 28 divisors (see below), whose sum is σ = 161405316. Its totient is φ = 40345600.

The previous prime is 80699389. The next prime is 80699429. The reversal of 80699392 is 29399608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3267 + ... + 13117.

Almost surely, 2^80699392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80699392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80702658).

80699392 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80699392 is an frugal number, since it uses more digits than its factorization.

80699392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877 (or 9853 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 80699392 is about 8983.2840320230. The cubic root of 80699392 is about 432.1389584981.

It can be divided in two parts, 806993 and 92, that added together give a triangular number (807085 = T₁₂₇₀).

The spelling of 80699392 in words is "eighty million, six hundred ninety-nine thousand, three hundred ninety-two".