80177137 has 4 divisors (see below), whose sum is σ = 80419696. Its totient is φ = 79934580.

The previous prime is 80177107. The next prime is 80177147. The reversal of 80177137 is 73177108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80177137 - 2¹¹ = 80175089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80177107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120783 + ... + 121444.

It is an arithmetic number, because the mean of its divisors is an integer number (20104924).

Almost surely, 2^80177137 is an apocalyptic number.

It is an amenable number.

80177137 is a deficient number, since it is larger than the sum of its proper divisors (242559).

80177137 is a wasteful number, since it uses less digits than its factorization.

80177137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242558.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 80177137 is about 8954.1686939660. The cubic root of 80177137 is about 431.2047286511.

The spelling of 80177137 in words is "eighty million, one hundred seventy-seven thousand, one hundred thirty-seven".