80257380 has 48 divisors (see below), whose sum is σ = 256824960. Its totient is φ = 18344448.

The previous prime is 80257369. The next prime is 80257399. The reversal of 80257380 is 8375208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95125 + ... + 95964.

It is an arithmetic number, because the mean of its divisors is an integer number (5350520).

Almost surely, 2^80257380 is an apocalyptic number.

It is an amenable number.

80257380 is an abundant number, since it is smaller than the sum of its proper divisors (176567580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80257380 is a wasteful number, since it uses less digits than its factorization.

80257380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191108 (or 191106 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80257380 is about 8958.6483355471. The cubic root of 80257380 is about 431.3485336706.

The spelling of 80257380 in words is "eighty million, two hundred fifty-seven thousand, three hundred eighty".