57872736687 has 8 divisors (see below), whose sum is σ = 77386023936. Its totient is φ = 38470636952.

The previous prime is 57872736667. The next prime is 57872736697. The reversal of 57872736687 is 78663727875.

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

It is a cyclic number.

It is not a de Polignac number, because 57872736687 - 2¹¹ = 57872734639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57872736637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27795663 + ... + 27797744.

It is an arithmetic number, because the mean of its divisors is an integer number (9673252992).

Almost surely, 2^57872736687 is an apocalyptic number.

57872736687 is a deficient number, since it is larger than the sum of its proper divisors (19513287249).

57872736687 is a wasteful number, since it uses less digits than its factorization.

57872736687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55593757.

The product of its digits is 165957120, while the sum is 66.

The spelling of 57872736687 in words is "fifty-seven billion, eight hundred seventy-two million, seven hundred thirty-six thousand, six hundred eighty-seven".