80706699 has 30 divisors (see below), whose sum is σ = 127463820. Its totient is φ = 50750064.

The previous prime is 80706697. The next prime is 80706709. The reversal of 80706699 is 99660708.

It is not a de Polignac number, because 80706699 - 2¹ = 80706697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80706697) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 352317 + ... + 352545.

It is an arithmetic number, because the mean of its divisors is an integer number (4248794).

Almost surely, 2^80706699 is an apocalyptic number.

80706699 is a deficient number, since it is larger than the sum of its proper divisors (46757121).

80706699 is an equidigital number, since it uses as much as digits as its factorization.

80706699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 80706699 is about 8983.6907226373. The cubic root of 80706699 is about 432.1520009098.

The spelling of 80706699 in words is "eighty million, seven hundred six thousand, six hundred ninety-nine".