75654027897 has 16 divisors (see below), whose sum is σ = 117635030400. Its totient is φ = 43230872496.

The previous prime is 75654027893. The next prime is 75654027899. The reversal of 75654027897 is 79872045657.

It is not a de Polignac number, because 75654027897 - 2² = 75654027893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75654027897.

It is not an unprimeable number, because it can be changed into a prime (75654027893) 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, 36759918 + ... + 36761975.

It is an arithmetic number, because the mean of its divisors is an integer number (7352189400).

Almost surely, 2^75654027897 is an apocalyptic number.

It is an amenable number.

75654027897 is a deficient number, since it is larger than the sum of its proper divisors (41981002503).

75654027897 is an equidigital number, since it uses as much as digits as its factorization.

75654027897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521917 (or 73521903 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 75654027897 in words is "seventy-five billion, six hundred fifty-four million, twenty-seven thousand, eight hundred ninety-seven".