65378892 has 24 divisors (see below), whose sum is σ = 155430576. Its totient is φ = 21381568.

The previous prime is 65378891. The next prime is 65378893. The reversal of 65378892 is 29887356.

It is an interprime number because it is at equal distance from previous prime (65378891) and next prime (65378893).

It is not an unprimeable number, because it can be changed into a prime (65378891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50763 + ... + 52034.

It is an arithmetic number, because the mean of its divisors is an integer number (6476274).

Almost surely, 2^65378892 is an apocalyptic number.

It is an amenable number.

65378892 is an abundant number, since it is smaller than the sum of its proper divisors (90051684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65378892 is a wasteful number, since it uses less digits than its factorization.

65378892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102857 (or 102855 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 65378892 is about 8085.7214891437. The cubic root of 65378892 is about 402.8523042238.

The spelling of 65378892 in words is "sixty-five million, three hundred seventy-eight thousand, eight hundred ninety-two".