75815328250 has 32 divisors (see below), whose sum is σ = 146504577024. Its totient is φ = 29347866000.

The previous prime is 75815328241. The next prime is 75815328257. The reversal of 75815328250 is 5282351857.

It is a self number, because there is not a number n which added to its sum of digits gives 75815328250.

It is not an unprimeable number, because it can be changed into a prime (75815328257) 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, 4883562 + ... + 4899061.

It is an arithmetic number, because the mean of its divisors is an integer number (4578268032).

Almost surely, 2^75815328250 is an apocalyptic number.

75815328250 is a deficient number, since it is larger than the sum of its proper divisors (70689248774).

75815328250 is a wasteful number, since it uses less digits than its factorization.

75815328250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782671 (or 9782661 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 75815328250 in words is "seventy-five billion, eight hundred fifteen million, three hundred twenty-eight thousand, two hundred fifty".