57878746 has 8 divisors (see below), whose sum is σ = 86912640. Its totient is φ = 28907868.

The previous prime is 57878729. The next prime is 57878759. The reversal of 57878746 is 64787875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57878693 and 57878702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13386 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (10864080).

Almost surely, 2^57878746 is an apocalyptic number.

57878746 is a deficient number, since it is larger than the sum of its proper divisors (29033894).

57878746 is a wasteful number, since it uses less digits than its factorization.

57878746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31508.

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

The square root of 57878746 is about 7607.8082257638. The cubic root of 57878746 is about 386.8177291575.

The spelling of 57878746 in words is "fifty-seven million, eight hundred seventy-eight thousand, seven hundred forty-six".