57876661 has 2 divisors, whose sum is σ = 57876662. Its totient is φ = 57876660.

The previous prime is 57876649. The next prime is 57876673. The reversal of 57876661 is 16667875.

57876661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (57876649) and next prime (57876673).

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 2656900 = 7431^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 57876661 - 2²³ = 49488053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57876361) 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 as a sum of consecutive naturals, namely, 28938330 + 28938331.

It is an arithmetic number, because the mean of its divisors is an integer number (28938331).

Almost surely, 2^57876661 is an apocalyptic number.

It is an amenable number.

57876661 is a deficient number, since it is larger than the sum of its proper divisors (1).

57876661 is an equidigital number, since it uses as much as digits as its factorization.

57876661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 57876661 is about 7607.6711942617. The cubic root of 57876661 is about 386.8130842477.

The spelling of 57876661 in words is "fifty-seven million, eight hundred seventy-six thousand, six hundred sixty-one".