80840877 has 16 divisors (see below), whose sum is σ = 122189760. Its totient is φ = 47129472.

The previous prime is 80840873. The next prime is 80840909. The reversal of 80840877 is 77804808.

It is not a de Polignac number, because 80840877 - 2² = 80840873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80840873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53808 + ... + 55289.

It is an arithmetic number, because the mean of its divisors is an integer number (7636860).

Almost surely, 2^80840877 is an apocalyptic number.

It is an amenable number.

80840877 is a deficient number, since it is larger than the sum of its proper divisors (41348883).

80840877 is a wasteful number, since it uses less digits than its factorization.

80840877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109132.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 80840877 is about 8991.1554874777. The cubic root of 80840877 is about 432.3913581018.

The spelling of 80840877 in words is "eighty million, eight hundred forty thousand, eight hundred seventy-seven".