75863105320 has 16 divisors (see below), whose sum is σ = 170691987060. Its totient is φ = 30345242112.

The previous prime is 75863105299. The next prime is 75863105371. The reversal of 75863105320 is 2350136857.

It can be written as a sum of positive squares in 2 ways, for example, as 65922616516 + 9940488804 = 256754^2 + 99702^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1896577633 = 75863105320 / (7 + 5 + 8 + 6 + 3 + 1 + 0 + 5 + 3 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948288777 + ... + 948288856.

Almost surely, 2^75863105320 is an apocalyptic number.

It is an amenable number.

75863105320 is an abundant number, since it is smaller than the sum of its proper divisors (94828881740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75863105320 is a wasteful number, since it uses less digits than its factorization.

75863105320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896577644 (or 1896577640 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 75863105320 in words is "seventy-five billion, eight hundred sixty-three million, one hundred five thousand, three hundred twenty".