65125860797 has 4 divisors (see below), whose sum is σ = 65307270240. Its totient is φ = 64944451356.

The previous prime is 65125860733. The next prime is 65125860827. The reversal of 65125860797 is 79706852156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65125860797 - 2⁶ = 65125860733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65125860497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90704183 + ... + 90704900.

It is an arithmetic number, because the mean of its divisors is an integer number (16326817560).

Almost surely, 2^65125860797 is an apocalyptic number.

It is an amenable number.

65125860797 is a deficient number, since it is larger than the sum of its proper divisors (181409443).

65125860797 is a wasteful number, since it uses less digits than its factorization.

65125860797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181409442.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 65125860797 in words is "sixty-five billion, one hundred twenty-five million, eight hundred sixty thousand, seven hundred ninety-seven".