40877 has 4 divisors (see below), whose sum is σ = 41916. Its totient is φ = 39840.

The previous prime is 40867. The next prime is 40879. The reversal of 40877 is 77804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17161 + 23716 = 131^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 40877 - 2⁶ = 40813 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 (40879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (10479).

2⁴⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

40877 is a deficient number, since it is larger than the sum of its proper divisors (1039).

40877 is an equidigital number, since it uses as much as digits as its factorization.

40877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40877 is about 202.1806123247. The cubic root of 40877 is about 34.4476556917.

The spelling of 40877 in words is "forty thousand, eight hundred seventy-seven".