65890782 has 24 divisors (see below), whose sum is σ = 143010504. Its totient is φ = 21925584.

The previous prime is 65890771. The next prime is 65890801. The reversal of 65890782 is 28709856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8728 + ... + 14420.

It is an arithmetic number, because the mean of its divisors is an integer number (5958771).

Almost surely, 2^65890782 is an apocalyptic number.

65890782 is an abundant number, since it is smaller than the sum of its proper divisors (77119722).

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

65890782 is a wasteful number, since it uses less digits than its factorization.

65890782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344 (or 6341 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 65890782 is about 8117.3137182198. The cubic root of 65890782 is about 403.9009617378.

The spelling of 65890782 in words is "sixty-five million, eight hundred ninety thousand, seven hundred eighty-two".