77229882 has 16 divisors (see below), whose sum is σ = 171622080. Its totient is φ = 25743276.

The previous prime is 77229863. The next prime is 77229899. The reversal of 77229882 is 28892277.

It is a happy 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, 715038 + ... + 715145.

It is an arithmetic number, because the mean of its divisors is an integer number (10726380).

Almost surely, 2^77229882 is an apocalyptic number.

77229882 is an abundant number, since it is smaller than the sum of its proper divisors (94392198).

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

77229882 is a wasteful number, since it uses less digits than its factorization.

77229882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430194 (or 1430188 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 77229882 is about 8788.0533680674. The cubic root of 77229882 is about 425.8550389538.

The spelling of 77229882 in words is "seventy-seven million, two hundred twenty-nine thousand, eight hundred eighty-two".