52672739697 has 20 divisors (see below), whose sum is σ = 78691064496. Its totient is φ = 35111993400.

The previous prime is 52672739689. The next prime is 52672739767. The reversal of 52672739697 is 79693727625.

52672739697 is a `hidden beast` number, since 526 + 72 + 7 + 39 + 6 + 9 + 7 = 666.

It is not a de Polignac number, because 52672739697 - 2³ = 52672739689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52672739657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1181038 + ... + 1224824.

Almost surely, 2^52672739697 is an apocalyptic number.

It is an amenable number.

52672739697 is a deficient number, since it is larger than the sum of its proper divisors (26018324799).

52672739697 is a wasteful number, since it uses less digits than its factorization.

52672739697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58650 (or 58641 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 63.

The spelling of 52672739697 in words is "fifty-two billion, six hundred seventy-two million, seven hundred thirty-nine thousand, six hundred ninety-seven".