65290797 has 48 divisors (see below), whose sum is σ = 112152768. Its totient is φ = 36080640.

The previous prime is 65290769. The next prime is 65290807. The reversal of 65290797 is 79709256.

It is not a de Polignac number, because 65290797 - 2⁶ = 65290733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65290747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124578 + ... + 125100.

It is an arithmetic number, because the mean of its divisors is an integer number (2336516).

Almost surely, 2^65290797 is an apocalyptic number.

It is an amenable number.

65290797 is a deficient number, since it is larger than the sum of its proper divisors (46861971).

65290797 is a wasteful number, since it uses less digits than its factorization.

65290797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 65290797 is about 8080.2720870030. The cubic root of 65290797 is about 402.6712813450.

The spelling of 65290797 in words is "sixty-five million, two hundred ninety thousand, seven hundred ninety-seven".