57878467 has 2 divisors, whose sum is σ = 57878468. Its totient is φ = 57878466.

The previous prime is 57878459. The next prime is 57878477. The reversal of 57878467 is 76487875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57878467 - 2³ = 57878459 is a prime.

It is not a weakly prime, because it can be changed into another prime (57878407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28939233 + 28939234.

It is an arithmetic number, because the mean of its divisors is an integer number (28939234).

Almost surely, 2^57878467 is an apocalyptic number.

57878467 is a deficient number, since it is larger than the sum of its proper divisors (1).

57878467 is an equidigital number, since it uses as much as digits as its factorization.

57878467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2634240, while the sum is 52.

The square root of 57878467 is about 7607.7898893174. The cubic root of 57878467 is about 386.8171076148.

The spelling of 57878467 in words is "fifty-seven million, eight hundred seventy-eight thousand, four hundred sixty-seven".