65363880 has 32 divisors (see below), whose sum is σ = 196092000. Its totient is φ = 17430336.

The previous prime is 65363873. The next prime is 65363897. The reversal of 65363880 is 8836356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272230 + ... + 272469.

It is an arithmetic number, because the mean of its divisors is an integer number (6127875).

Almost surely, 2^65363880 is an apocalyptic number.

65363880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65363880 is an abundant number, since it is smaller than the sum of its proper divisors (130728120).

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

65363880 is a wasteful number, since it uses less digits than its factorization.

65363880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544713 (or 544709 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 65363880 is about 8084.7931327895. The cubic root of 65363880 is about 402.8214681668.

The spelling of 65363880 in words is "sixty-five million, three hundred sixty-three thousand, eight hundred eighty".