782015064 has 32 divisors (see below), whose sum is σ = 1973315520. Its totient is φ = 258234656.

The previous prime is 782015063. The next prime is 782015107. The reversal of 782015064 is 460510287.

782015064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×782015064² = 1223095120645848192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782015063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149694 + ... + 154829.

It is an arithmetic number, because the mean of its divisors is an integer number (61666110).

Almost surely, 2^782015064 is an apocalyptic number.

It is an amenable number.

782015064 is an abundant number, since it is smaller than the sum of its proper divisors (1191300456).

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

782015064 is a wasteful number, since it uses less digits than its factorization.

782015064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304639 (or 304635 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 782015064 is about 27964.5322506921. The cubic root of 782015064 is about 921.3084186956.

The spelling of 782015064 in words is "seven hundred eighty-two million, fifteen thousand, sixty-four".