77882941 has 4 divisors (see below), whose sum is σ = 77993500. Its totient is φ = 77772384.

The previous prime is 77882929. The next prime is 77882947. The reversal of 77882941 is 14928877.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14928877 = 599 ⋅24923.

It can be written as a sum of positive squares in 2 ways, for example, as 8826841 + 69056100 = 2971^2 + 8310^2 .

It is a cyclic number.

It is not a de Polignac number, because 77882941 - 2²⁵ = 44328509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77882891 and 77882900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77882947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54216 + ... + 55633.

It is an arithmetic number, because the mean of its divisors is an integer number (19498375).

Almost surely, 2^77882941 is an apocalyptic number.

It is an amenable number.

77882941 is a deficient number, since it is larger than the sum of its proper divisors (110559).

77882941 is a wasteful number, since it uses less digits than its factorization.

77882941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110558.

The product of its digits is 225792, while the sum is 46.

The square root of 77882941 is about 8825.1312171548. The cubic root of 77882941 is about 427.0520204928.

The spelling of 77882941 in words is "seventy-seven million, eight hundred eighty-two thousand, nine hundred forty-one".