75081577650 has 48 divisors (see below), whose sum is σ = 186572683584. Its totient is φ = 19981929280.

The previous prime is 75081577621. The next prime is 75081577661. The reversal of 75081577650 is 5677518057.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75081577593 and 75081577602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422109 + ... + 573008.

It is an arithmetic number, because the mean of its divisors is an integer number (3886930908).

Almost surely, 2^75081577650 is an apocalyptic number.

75081577650 is an abundant number, since it is smaller than the sum of its proper divisors (111491105934).

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

75081577650 is a wasteful number, since it uses less digits than its factorization.

75081577650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995635 (or 995630 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 75081577650 in words is "seventy-five billion, eighty-one million, five hundred seventy-seven thousand, six hundred fifty".