75456373857 has 16 divisors (see below), whose sum is σ = 101305712640. Its totient is φ = 49956130512.

The previous prime is 75456373847. The next prime is 75456373871. The reversal of 75456373857 is 75837365457.

It is a happy number.

It is not a de Polignac number, because 75456373857 - 2⁴ = 75456373841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75456373857.

It is not an unprimeable number, because it can be changed into a prime (75456373847) 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, 565108 + ... + 685754.

It is an arithmetic number, because the mean of its divisors is an integer number (6331607040).

Almost surely, 2^75456373857 is an apocalyptic number.

It is an amenable number.

75456373857 is a deficient number, since it is larger than the sum of its proper divisors (25849338783).

75456373857 is a wasteful number, since it uses less digits than its factorization.

75456373857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122092.

The product of its digits is 74088000, while the sum is 60.

The spelling of 75456373857 in words is "seventy-five billion, four hundred fifty-six million, three hundred seventy-three thousand, eight hundred fifty-seven".