805257964 has 36 divisors (see below), whose sum is σ = 1695813840. Its totient is φ = 333207840.

The previous prime is 805257941. The next prime is 805257967. The reversal of 805257964 is 469752508.

It is not an unprimeable number, because it can be changed into a prime (805257967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65152 + ... + 76519.

It is an arithmetic number, because the mean of its divisors is an integer number (47105940).

Almost surely, 2^805257964 is an apocalyptic number.

It is an amenable number.

805257964 is an abundant number, since it is smaller than the sum of its proper divisors (890555876).

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

805257964 is a wasteful number, since it uses less digits than its factorization.

805257964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141718 (or 141709 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 805257964 is about 28377.0675722493. The cubic root of 805257964 is about 930.3471028704.

The spelling of 805257964 in words is "eight hundred five million, two hundred fifty-seven thousand, nine hundred sixty-four".