75384867857 has 16 divisors (see below), whose sum is σ = 83391178752. Its totient is φ = 67694512320.

The previous prime is 75384867793. The next prime is 75384867871. The reversal of 75384867857 is 75876848357.

It is a cyclic number.

It is not a de Polignac number, because 75384867857 - 2⁶ = 75384867793 is a prime.

It is a Duffinian number.

Its product of digits (316108800) is a multiple of the sum of its prime divisors (25088).

It is not an unprimeable number, because it can be changed into a prime (75389867857) 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, 6011528 + ... + 6024054.

It is an arithmetic number, because the mean of its divisors is an integer number (5211948672).

Almost surely, 2^75384867857 is an apocalyptic number.

It is an amenable number.

75384867857 is a deficient number, since it is larger than the sum of its proper divisors (8006310895).

75384867857 is a wasteful number, since it uses less digits than its factorization.

75384867857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25088.

The product of its digits is 316108800, while the sum is 68.

The spelling of 75384867857 in words is "seventy-five billion, three hundred eighty-four million, eight hundred sixty-seven thousand, eight hundred fifty-seven".