764345886 has 16 divisors (see below), whose sum is σ = 1528965504. Its totient is φ = 254736344.

The previous prime is 764345873. The next prime is 764345887. The reversal of 764345886 is 688543467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764345887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52081 + ... + 65123.

It is an arithmetic number, because the mean of its divisors is an integer number (95560344).

Almost surely, 2^764345886 is an apocalyptic number.

764345886 is an abundant number, since it is smaller than the sum of its proper divisors (764619618).

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

764345886 is a wasteful number, since it uses less digits than its factorization.

764345886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its digits is 3870720, while the sum is 51.

The square root of 764345886 is about 27646.8060723115. The cubic root of 764345886 is about 914.3166829377.

The spelling of 764345886 in words is "seven hundred sixty-four million, three hundred forty-five thousand, eight hundred eighty-six".