52178772457207 has 16 divisors (see below), whose sum is σ = 59221165768704. Its totient is φ = 45543621060000.

The previous prime is 52178772457139. The next prime is 52178772457249. The reversal of 52178772457207 is 70275427787125.

It is a cyclic number.

It is not a de Polignac number, because 52178772457207 - 2¹⁵ = 52178772424439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52178772457267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602385544 + ... + 602472157.

It is an arithmetic number, because the mean of its divisors is an integer number (3701322860544).

Almost surely, 2^{52178772457207} is an apocalyptic number.

52178772457207 is a deficient number, since it is larger than the sum of its proper divisors (7042393311497).

52178772457207 is a wasteful number, since it uses less digits than its factorization.

52178772457207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204857870.

The product of its (nonzero) digits is 107564800, while the sum is 64.

The spelling of 52178772457207 in words is "fifty-two trillion, one hundred seventy-eight billion, seven hundred seventy-two million, four hundred fifty-seven thousand, two hundred seven".