80277131 has 4 divisors (see below), whose sum is σ = 87575064. Its totient is φ = 72979200.

The previous prime is 80277097. The next prime is 80277137. The reversal of 80277131 is 13177208.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80277131 - 2¹⁰ = 80276107 is a prime.

It is a super-2 number, since 2×80277131² = 12888835523182322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80277094 and 80277103.

It is not an unprimeable number, because it can be changed into a prime (80277137) 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, 3648950 + ... + 3648971.

It is an arithmetic number, because the mean of its divisors is an integer number (21893766).

Almost surely, 2^80277131 is an apocalyptic number.

80277131 is a deficient number, since it is larger than the sum of its proper divisors (7297933).

80277131 is a wasteful number, since it uses less digits than its factorization.

80277131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297932.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 80277131 is about 8959.7506103686. The cubic root of 80277131 is about 431.3839151151.

It can be divided in two parts, 80277 and 131, that added together give a palindrome (80408).

The spelling of 80277131 in words is "eighty million, two hundred seventy-seven thousand, one hundred thirty-one".