782534636432 has 20 divisors (see below), whose sum is σ = 1530070594140. Its totient is φ = 387677708928.

The previous prime is 782534636393. The next prime is 782534636437. The reversal of 782534636432 is 234636435287.

782534636432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 637468109056 + 145066527376 = 798416^2 + 380876^2 .

It is a super-2 number, since 2×782534636432² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782534636437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224348783 + ... + 224352270.

It is an arithmetic number, because the mean of its divisors is an integer number (76503529707).

Almost surely, 2^782534636432 is an apocalyptic number.

It is an amenable number.

782534636432 is a deficient number, since it is larger than the sum of its proper divisors (747535957708).

782534636432 is a wasteful number, since it uses less digits than its factorization.

782534636432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448701170 (or 448701164 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 53.

The spelling of 782534636432 in words is "seven hundred eighty-two billion, five hundred thirty-four million, six hundred thirty-six thousand, four hundred thirty-two".