57872077 has 2 divisors, whose sum is σ = 57872078. Its totient is φ = 57872076.

The previous prime is 57872057. The next prime is 57872083. The reversal of 57872077 is 77027875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 13329801 = 6674^2 + 3651^2 .

It is a cyclic number.

It is not a de Polignac number, because 57872077 - 2⁷ = 57871949 is a prime.

It is a super-3 number, since 3×57872077³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57872027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28936038 + 28936039.

It is an arithmetic number, because the mean of its divisors is an integer number (28936039).

Almost surely, 2^57872077 is an apocalyptic number.

It is an amenable number.

57872077 is a deficient number, since it is larger than the sum of its proper divisors (1).

57872077 is an equidigital number, since it uses as much as digits as its factorization.

57872077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192080, while the sum is 43.

The square root of 57872077 is about 7607.3699134458. The cubic root of 57872077 is about 386.8028717374.

The spelling of 57872077 in words is "fifty-seven million, eight hundred seventy-two thousand, seventy-seven".