1965076864 has 32 divisors (see below), whose sum is σ = 4010295240. Its totient is φ = 958571520.

The previous prime is 1965076847. The next prime is 1965076879. The reversal of 1965076864 is 4686705691.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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, 181974 + ... + 192469.

Almost surely, 2^1965076864 is an apocalyptic number.

It is an amenable number.

1965076864 is an abundant number, since it is smaller than the sum of its proper divisors (2045218376).

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

1965076864 is an equidigital number, since it uses as much as digits as its factorization.

1965076864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374498 (or 374486 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 1965076864 is about 44329.1874953737. The cubic root of 1965076864 is about 1252.5445476936.

The spelling of 1965076864 in words is "one billion, nine hundred sixty-five million, seventy-six thousand, eight hundred sixty-four".