75898997 has 2 divisors, whose sum is σ = 75898998. Its totient is φ = 75898996.

The previous prime is 75898969. The next prime is 75899023. The reversal of 75898997 is 79989857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 28026436 = 6919^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 75898997 - 2¹⁰ = 75897973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75898967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37949498 + 37949499.

It is an arithmetic number, because the mean of its divisors is an integer number (37949499).

Almost surely, 2^75898997 is an apocalyptic number.

It is an amenable number.

75898997 is a deficient number, since it is larger than the sum of its proper divisors (1).

75898997 is an equidigital number, since it uses as much as digits as its factorization.

75898997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 62.

The square root of 75898997 is about 8712.0030417809. The cubic root of 75898997 is about 423.3946301111.

The spelling of 75898997 in words is "seventy-five million, eight hundred ninety-eight thousand, nine hundred ninety-seven".