52120672407 has 6 divisors (see below), whose sum is σ = 75285415712. Its totient is φ = 34747114932.

The previous prime is 52120672397. The next prime is 52120672469. The reversal of 52120672407 is 70427602125.

It is a happy number.

52120672407 is a `hidden beast` number, since 521 + 20 + 6 + 72 + 40 + 7 = 666.

It is not a de Polignac number, because 52120672407 - 2³⁴ = 34940803223 is a prime.

It is a super-2 number, since 2×52120672407² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120672477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2895592903 + ... + 2895592920.

Almost surely, 2^52120672407 is an apocalyptic number.

52120672407 is a deficient number, since it is larger than the sum of its proper divisors (23164743305).

52120672407 is a wasteful number, since it uses less digits than its factorization.

52120672407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791185829 (or 5791185826 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 52120672407 in words is "fifty-two billion, one hundred twenty million, six hundred seventy-two thousand, four hundred seven".