788461636 has 12 divisors (see below), whose sum is σ = 1380027628. Its totient is φ = 394168032.

The previous prime is 788461607. The next prime is 788461697. The reversal of 788461636 is 636164887.

It can be written as a sum of positive squares in 2 ways, for example, as 235929600 + 552532036 = 15360^2 + 23506^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 788461636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23350 + ... + 46066.

Almost surely, 2^788461636 is an apocalyptic number.

It is an amenable number.

788461636 is a deficient number, since it is larger than the sum of its proper divisors (591565992).

788461636 is a wasteful number, since it uses less digits than its factorization.

788461636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31398 (or 31396 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 788461636 is about 28079.5590421217. The cubic root of 788461636 is about 923.8331079800.

The spelling of 788461636 in words is "seven hundred eighty-eight million, four hundred sixty-one thousand, six hundred thirty-six".