80391703 has 12 divisors (see below), whose sum is σ = 94350960. Its totient is φ = 68292672.

The previous prime is 80391677. The next prime is 80391721. The reversal of 80391703 is 30719308.

It is a de Polignac number, because none of the positive numbers 2^k-80391703 is a prime.

It is a super-2 number, since 2×80391703² = 12925651822480418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80391733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723 + ... + 12796.

It is an arithmetic number, because the mean of its divisors is an integer number (7862580).

Almost surely, 2^80391703 is an apocalyptic number.

80391703 is a deficient number, since it is larger than the sum of its proper divisors (13959257).

80391703 is a wasteful number, since it uses less digits than its factorization.

80391703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646 (or 14639 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 80391703 is about 8966.1420354576. The cubic root of 80391703 is about 431.5890421251.

The spelling of 80391703 in words is "eighty million, three hundred ninety-one thousand, seven hundred three".