57879847 has 4 divisors (see below), whose sum is σ = 58110696. Its totient is φ = 57649000.

The previous prime is 57879841. The next prime is 57879851. The reversal of 57879847 is 74897875.

It is a happy number.

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 57879847 - 2¹⁵ = 57847079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57879841) 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, 115048 + ... + 115549.

It is an arithmetic number, because the mean of its divisors is an integer number (14527674).

Almost surely, 2^57879847 is an apocalyptic number.

57879847 is a deficient number, since it is larger than the sum of its proper divisors (230849).

57879847 is a wasteful number, since it uses less digits than its factorization.

57879847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230848.

The product of its digits is 3951360, while the sum is 55.

The square root of 57879847 is about 7607.8805852879. The cubic root of 57879847 is about 386.8201818921.

The spelling of 57879847 in words is "fifty-seven million, eight hundred seventy-nine thousand, eight hundred forty-seven".