75087616980 has 96 divisors (see below), whose sum is σ = 212299718400. Its totient is φ = 19827929088.

The previous prime is 75087616973. The next prime is 75087616987. The reversal of 75087616980 is 8961678057.

It is an interprime number because it is at equal distance from previous prime (75087616973) and next prime (75087616987).

It is a self number, because there is not a number n which added to its sum of digits gives 75087616980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75087616987) 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 31 ways as a sum of consecutive naturals, for example, 20723449 + ... + 20727071.

It is an arithmetic number, because the mean of its divisors is an integer number (2211455400).

Almost surely, 2^75087616980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75087616980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106149859200).

75087616980 is an abundant number, since it is smaller than the sum of its proper divisors (137212101420).

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

75087616980 is a wasteful number, since it uses less digits than its factorization.

75087616980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913 (or 6911 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 75087616980 in words is "seventy-five billion, eighty-seven million, six hundred sixteen thousand, nine hundred eighty".