75485516764 has 48 divisors (see below), whose sum is σ = 151912696320. Its totient is φ = 32149535040.

The previous prime is 75485516753. The next prime is 75485516767. The reversal of 75485516764 is 46761558457.

It is a super-2 number, since 2×75485516764² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75485516699 and 75485516708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75485516767) 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, 5061759 + ... + 5076649.

It is an arithmetic number, because the mean of its divisors is an integer number (3164847840).

Almost surely, 2^75485516764 is an apocalyptic number.

It is an amenable number.

75485516764 is an abundant number, since it is smaller than the sum of its proper divisors (76427179556).

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

75485516764 is a wasteful number, since it uses less digits than its factorization.

75485516764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16018 (or 16016 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 58.

The spelling of 75485516764 in words is "seventy-five billion, four hundred eighty-five million, five hundred sixteen thousand, seven hundred sixty-four".