75120087963 has 48 divisors (see below), whose sum is σ = 105741103104. Its totient is φ = 47431063680.

The previous prime is 75120087949. The next prime is 75120087967. The reversal of 75120087963 is 36978002157.

It is not a de Polignac number, because 75120087963 - 2⁶ = 75120087899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75120087967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82458478 + ... + 82459388.

It is an arithmetic number, because the mean of its divisors is an integer number (2202939648).

Almost surely, 2^75120087963 is an apocalyptic number.

75120087963 is a deficient number, since it is larger than the sum of its proper divisors (30621015141).

75120087963 is a wasteful number, since it uses less digits than its factorization.

75120087963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 75120087963 in words is "seventy-five billion, one hundred twenty million, eighty-seven thousand, nine hundred sixty-three".