787354432 has 56 divisors (see below), whose sum is σ = 1608969096. Its totient is φ = 382107648.

The previous prime is 787354411. The next prime is 787354459. The reversal of 787354432 is 234453787.

It can be written as a sum of positive squares in 4 ways, for example, as 20286016 + 767068416 = 4504^2 + 27696^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327828 + ... + 330220.

It is an arithmetic number, because the mean of its divisors is an integer number (28731591).

Almost surely, 2^787354432 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 787354432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804484548).

787354432 is an abundant number, since it is smaller than the sum of its proper divisors (821614664).

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

787354432 is a wasteful number, since it uses less digits than its factorization.

787354432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2545 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 787354432 is about 28059.8366353049. The cubic root of 787354432 is about 923.4004718898.

The spelling of 787354432 in words is "seven hundred eighty-seven million, three hundred fifty-four thousand, four hundred thirty-two".