75897252169 has 8 divisors (see below), whose sum is σ = 76875442560. Its totient is φ = 74919498576.

The previous prime is 75897252157. The next prime is 75897252181. The reversal of 75897252169 is 96125279857.

It is an interprime number because it is at equal distance from previous prime (75897252157) and next prime (75897252181).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75897252169 is a prime.

It is a super-2 number, since 2×75897252169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75897252139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248034 + ... + 461860.

It is an arithmetic number, because the mean of its divisors is an integer number (9609430320).

Almost surely, 2^75897252169 is an apocalyptic number.

75897252169 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

75897252169 is a deficient number, since it is larger than the sum of its proper divisors (978190391).

75897252169 is a wasteful number, since it uses less digits than its factorization.

75897252169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218399.

The product of its digits is 19051200, while the sum is 61.

The spelling of 75897252169 in words is "seventy-five billion, eight hundred ninety-seven million, two hundred fifty-two thousand, one hundred sixty-nine".