782431952 has 10 divisors (see below), whose sum is σ = 1515961938. Its totient is φ = 391215968.

The previous prime is 782431931. The next prime is 782431957. The reversal of 782431952 is 259134287.

It can be written as a sum of positive squares in only one way, i.e., 433638976 + 348792976 = 20824^2 + 18676^2 .

It is a super-2 number, since 2×782431952² = 1224399519021060608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782431957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24450983 + ... + 24451014.

Almost surely, 2^782431952 is an apocalyptic number.

It is an amenable number.

782431952 is a deficient number, since it is larger than the sum of its proper divisors (733529986).

782431952 is a wasteful number, since it uses less digits than its factorization.

782431952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48902005 (or 48901999 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 782431952 is about 27971.9851279812. The cubic root of 782431952 is about 921.4721044570.

The spelling of 782431952 in words is "seven hundred eighty-two million, four hundred thirty-one thousand, nine hundred fifty-two".