80525077 has 8 divisors (see below), whose sum is σ = 81252864. Its totient is φ = 79801008.

The previous prime is 80525057. The next prime is 80525101. The reversal of 80525077 is 77052508.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80525077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80525057) 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, 57963 + ... + 59335.

It is an arithmetic number, because the mean of its divisors is an integer number (10156608).

Almost surely, 2^80525077 is an apocalyptic number.

It is an amenable number.

80525077 is a deficient number, since it is larger than the sum of its proper divisors (727787).

80525077 is a wasteful number, since it uses less digits than its factorization.

80525077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 80525077 is about 8973.5766002191. The cubic root of 80525077 is about 431.8275864477.

The spelling of 80525077 in words is "eighty million, five hundred twenty-five thousand, seventy-seven".