80057681 has 8 divisors (see below), whose sum is σ = 88768128. Its totient is φ = 71586000.

The previous prime is 80057651. The next prime is 80057693. The reversal of 80057681 is 18675008.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80057681 - 2⁶ = 80057617 is a prime.

It is a super-2 number, since 2×80057681² = 12818464574195522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80057651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58985 + ... + 60326.

It is an arithmetic number, because the mean of its divisors is an integer number (11096016).

Almost surely, 2^80057681 is an apocalyptic number.

It is an amenable number.

80057681 is a deficient number, since it is larger than the sum of its proper divisors (8710447).

80057681 is a wasteful number, since it uses less digits than its factorization.

80057681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119383.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 80057681 is about 8947.4957949138. The cubic root of 80057681 is about 430.9904714169.

The spelling of 80057681 in words is "eighty million, fifty-seven thousand, six hundred eighty-one".