52776687 has 8 divisors (see below), whose sum is σ = 74508336. Its totient is φ = 33114752.

The previous prime is 52776679. The next prime is 52776701. The reversal of 52776687 is 78667725.

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 52776687 - 2³ = 52776679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52776617) 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, 517368 + ... + 517469.

It is an arithmetic number, because the mean of its divisors is an integer number (9313542).

Almost surely, 2^52776687 is an apocalyptic number.

52776687 is a deficient number, since it is larger than the sum of its proper divisors (21731649).

52776687 is a wasteful number, since it uses less digits than its factorization.

52776687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034857.

The product of its digits is 987840, while the sum is 48.

The square root of 52776687 is about 7264.7564997046. The cubic root of 52776687 is about 375.1002682988.

The spelling of 52776687 in words is "fifty-two million, seven hundred seventy-six thousand, six hundred eighty-seven".