783238064 has 120 divisors (see below), whose sum is σ = 1891307520. Its totient is φ = 306944640.

The previous prime is 783238063. The next prime is 783238091. The reversal of 783238064 is 460832387.

It is a super-2 number, since 2×783238064² = 1226923729796936192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (783238063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2044817 + ... + 2045199.

It is an arithmetic number, because the mean of its divisors is an integer number (15760896).

Almost surely, 2^783238064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 783238064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945653760).

783238064 is an abundant number, since it is smaller than the sum of its proper divisors (1108069456).

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

783238064 is a wasteful number, since it uses less digits than its factorization.

783238064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 783238064 is about 27986.3906926206. The cubic root of 783238064 is about 921.7884492280.

The spelling of 783238064 in words is "seven hundred eighty-three million, two hundred thirty-eight thousand, sixty-four".