840077496 has 48 divisors (see below), whose sum is σ = 2290509000. Its totient is φ = 278142912.

The previous prime is 840077471. The next prime is 840077501. The reversal of 840077496 is 694770048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28426 + ... + 49881.

Almost surely, 2^840077496 is an apocalyptic number.

It is an amenable number.

840077496 is an abundant number, since it is smaller than the sum of its proper divisors (1450431504).

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

840077496 is a wasteful number, since it uses less digits than its factorization.

840077496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78468 (or 78461 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 840077496 is about 28984.0903945596. The cubic root of 840077496 is about 943.5678112355.

The spelling of 840077496 in words is "eight hundred forty million, seventy-seven thousand, four hundred ninety-six".