787542336 has 168 divisors, whose sum is σ = 2650053120. Its totient is φ = 218889216.

The previous prime is 787542307. The next prime is 787542341. The reversal of 787542336 is 633245787.

787542336 is a `hidden beast` number, since 78 + 7 + 542 + 3 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 787542291 and 787542300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146545 + ... + 151823.

Almost surely, 2^787542336 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 787542336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325026560).

787542336 is an abundant number, since it is smaller than the sum of its proper divisors (1862510784).

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

787542336 is a wasteful number, since it uses less digits than its factorization.

787542336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341 (or 5328 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 787542336 is about 28063.1847087960. The cubic root of 787542336 is about 923.4739232835.

The spelling of 787542336 in words is "seven hundred eighty-seven million, five hundred forty-two thousand, three hundred thirty-six".