75755945980 has 48 divisors (see below), whose sum is σ = 186899991264. Its totient is φ = 25428568320.

The previous prime is 75755945957. The next prime is 75755945981. The reversal of 75755945980 is 8954955757.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75755945981) 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, 13241187 + ... + 13246906.

It is an arithmetic number, because the mean of its divisors is an integer number (3893749818).

Almost surely, 2^75755945980 is an apocalyptic number.

It is an amenable number.

75755945980 is an abundant number, since it is smaller than the sum of its proper divisors (111144045284).

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

75755945980 is a wasteful number, since it uses less digits than its factorization.

75755945980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26488126 (or 26488124 counting only the distinct ones).

The product of its (nonzero) digits is 79380000, while the sum is 64.

It can be divided in two parts, 75755 and 945980, that added together give a triangular number (1021735 = T₁₄₂₉).

The spelling of 75755945980 in words is "seventy-five billion, seven hundred fifty-five million, nine hundred forty-five thousand, nine hundred eighty".