77966088 has 32 divisors (see below), whose sum is σ = 195255360. Its totient is φ = 25943360.

The previous prime is 77966071. The next prime is 77966107. The reversal of 77966088 is 88066977.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77966088.

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 7 ways as a sum of consecutive naturals, for example, 13018 + ... + 18038.

It is an arithmetic number, because the mean of its divisors is an integer number (6101730).

Almost surely, 2^77966088 is an apocalyptic number.

It is an amenable number.

77966088 is an abundant number, since it is smaller than the sum of its proper divisors (117289272).

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

77966088 is a wasteful number, since it uses less digits than its factorization.

77966088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 5673 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 77966088 is about 8829.8407686662. The cubic root of 77966088 is about 427.2039385096.

The spelling of 77966088 in words is "seventy-seven million, nine hundred sixty-six thousand, eighty-eight".