77242896 has 60 divisors (see below), whose sum is σ = 224190512. Its totient is φ = 25746336.

The previous prime is 77242861. The next prime is 77242903. The reversal of 77242896 is 69824277.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6046 + ... + 13821.

Almost surely, 2^77242896 is an apocalyptic number.

It is an amenable number.

77242896 is an abundant number, since it is smaller than the sum of its proper divisors (146947616).

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

77242896 is a wasteful number, since it uses less digits than its factorization.

77242896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890 (or 19872 counting only the distinct ones).

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

The square root of 77242896 is about 8788.7937738918. The cubic root of 77242896 is about 425.8789578742.

The spelling of 77242896 in words is "seventy-seven million, two hundred forty-two thousand, eight hundred ninety-six".