57880387 has 4 divisors (see below), whose sum is σ = 57982680. Its totient is φ = 57778096.

The previous prime is 57880369. The next prime is 57880423. The reversal of 57880387 is 78308875.

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

It is a cyclic number.

It is not a de Polignac number, because 57880387 - 2¹⁹ = 57356099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57880307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50293 + ... + 51430.

It is an arithmetic number, because the mean of its divisors is an integer number (14495670).

Almost surely, 2^57880387 is an apocalyptic number.

57880387 is a deficient number, since it is larger than the sum of its proper divisors (102293).

57880387 is a wasteful number, since it uses less digits than its factorization.

57880387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102292.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 57880387 is about 7607.9160747211. The cubic root of 57880387 is about 386.8213848569.

The spelling of 57880387 in words is "fifty-seven million, eight hundred eighty thousand, three hundred eighty-seven".