80996425 has 6 divisors (see below), whose sum is σ = 100435598. Its totient is φ = 64797120.

The previous prime is 80996417. The next prime is 80996429. The reversal of 80996425 is 52469908.

It can be written as a sum of positive squares in 3 ways, for example, as 3767481 + 77228944 = 1941^2 + 8788^2 .

It is not a de Polignac number, because 80996425 - 2³ = 80996417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80996429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1619904 + ... + 1619953.

Almost surely, 2^80996425 is an apocalyptic number.

It is an amenable number.

80996425 is a deficient number, since it is larger than the sum of its proper divisors (19439173).

80996425 is a wasteful number, since it uses less digits than its factorization.

80996425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239867 (or 3239862 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 80996425 is about 8999.8013866974. The cubic root of 80996425 is about 432.6685055144.

The spelling of 80996425 in words is "eighty million, nine hundred ninety-six thousand, four hundred twenty-five".