80297091 has 12 divisors (see below), whose sum is σ = 132554032. Its totient is φ = 45884016.

The previous prime is 80297089. The next prime is 80297093. The reversal of 80297091 is 19079208.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80297089) and next prime (80297093).

It is not a de Polignac number, because 80297091 - 2¹ = 80297089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80297093) 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, 637216 + ... + 637341.

Almost surely, 2^80297091 is an apocalyptic number.

80297091 is a deficient number, since it is larger than the sum of its proper divisors (52256941).

80297091 is a wasteful number, since it uses less digits than its factorization.

80297091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274570 (or 1274567 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 80297091 is about 8960.8644114282. The cubic root of 80297091 is about 431.4196650616.

The spelling of 80297091 in words is "eighty million, two hundred ninety-seven thousand, ninety-one".