75638751375 has 32 divisors (see below), whose sum is σ = 137304969984. Its totient is φ = 36673332000.

The previous prime is 75638751361. The next prime is 75638751401. The reversal of 75638751375 is 57315783657.

It is not a de Polignac number, because 75638751375 - 2⁵ = 75638751343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9164209 + ... + 9172458.

It is an arithmetic number, because the mean of its divisors is an integer number (4290780312).

Almost surely, 2^75638751375 is an apocalyptic number.

75638751375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75638751375 is a deficient number, since it is larger than the sum of its proper divisors (61666218609).

75638751375 is a wasteful number, since it uses less digits than its factorization.

75638751375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336696 (or 18336686 counting only the distinct ones).

The product of its digits is 18522000, while the sum is 57.

The spelling of 75638751375 in words is "seventy-five billion, six hundred thirty-eight million, seven hundred fifty-one thousand, three hundred seventy-five".