75516049863 has 6 divisors (see below), whose sum is σ = 109078738704. Its totient is φ = 50344033236.

The previous prime is 75516049859. The next prime is 75516049883. The reversal of 75516049863 is 36894061557.

75516049863 is a `hidden beast` number, since 7 + 5 + 516 + 0 + 49 + 86 + 3 = 666.

It is not a de Polignac number, because 75516049863 - 2² = 75516049859 is a prime.

It is a super-2 number, since 2×75516049863² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75516049883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4195336095 + ... + 4195336112.

It is an arithmetic number, because the mean of its divisors is an integer number (18179789784).

Almost surely, 2^75516049863 is an apocalyptic number.

75516049863 is a deficient number, since it is larger than the sum of its proper divisors (33562688841).

75516049863 is a wasteful number, since it uses less digits than its factorization.

75516049863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390672213 (or 8390672210 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 75516049863 in words is "seventy-five billion, five hundred sixteen million, forty-nine thousand, eight hundred sixty-three".