75520986431 has 16 divisors (see below), whose sum is σ = 82521531648. Its totient is φ = 68543059200.

The previous prime is 75520986419. The next prime is 75520986467. The reversal of 75520986431 is 13468902557.

It is a happy number.

It is not a de Polignac number, because 75520986431 - 2²⁶ = 75453877567 is a prime.

It is a super-2 number, since 2×75520986431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75520986431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75520986481) 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, 32677766 + ... + 32680076.

It is an arithmetic number, because the mean of its divisors is an integer number (5157595728).

It is a 1-persistent number, because it is pandigital, but 2⋅75520986431 = 151041972862 is not.

Almost surely, 2^75520986431 is an apocalyptic number.

75520986431 is a deficient number, since it is larger than the sum of its proper divisors (7000545217).

75520986431 is a wasteful number, since it uses less digits than its factorization.

75520986431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 75520986431 in words is "seventy-five billion, five hundred twenty million, nine hundred eighty-six thousand, four hundred thirty-one".