80737479 has 64 divisors (see below), whose sum is σ = 133824000. Its totient is φ = 48498912.

The previous prime is 80737463. The next prime is 80737511. The reversal of 80737479 is 97473708.

It is not a de Polignac number, because 80737479 - 2⁴ = 80737463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80737409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1205004 + ... + 1205070.

It is an arithmetic number, because the mean of its divisors is an integer number (2091000).

Almost surely, 2^80737479 is an apocalyptic number.

80737479 is a deficient number, since it is larger than the sum of its proper divisors (53086521).

80737479 is an equidigital number, since it uses as much as digits as its factorization.

80737479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 80737479 is about 8985.4036637204. The cubic root of 80737479 is about 432.2069321117.

The spelling of 80737479 in words is "eighty million, seven hundred thirty-seven thousand, four hundred seventy-nine".