75631038980 has 48 divisors (see below), whose sum is σ = 183210926976. Its totient is φ = 25688294400.

The previous prime is 75631038979. The next prime is 75631038983. The reversal of 75631038980 is 8983013657.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75631038983) 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, 2509421 + ... + 2539380.

It is an arithmetic number, because the mean of its divisors is an integer number (3816894312).

Almost surely, 2^75631038980 is an apocalyptic number.

75631038980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75631038980 is an abundant number, since it is smaller than the sum of its proper divisors (107579887996).

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

75631038980 is a wasteful number, since it uses less digits than its factorization.

75631038980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048924 (or 5048922 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 75631038980 in words is "seventy-five billion, six hundred thirty-one million, thirty-eight thousand, nine hundred eighty".