65020776 has 16 divisors (see below), whose sum is σ = 162552000. Its totient is φ = 21673584.

The previous prime is 65020757. The next prime is 65020777. The reversal of 65020776 is 67702056.

It is not an unprimeable number, because it can be changed into a prime (65020777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354576 + ... + 1354623.

It is an arithmetic number, because the mean of its divisors is an integer number (10159500).

Almost surely, 2^65020776 is an apocalyptic number.

It is an amenable number.

65020776 is an abundant number, since it is smaller than the sum of its proper divisors (97531224).

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

65020776 is a wasteful number, since it uses less digits than its factorization.

65020776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709208 (or 2709204 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 65020776 is about 8063.5461181790. The cubic root of 65020776 is about 402.1154095511.

The spelling of 65020776 in words is "sixty-five million, twenty thousand, seven hundred seventy-six".