77159068 has 24 divisors (see below), whose sum is σ = 154822752. Its totient is φ = 32960064.

The previous prime is 77159059. The next prime is 77159081. The reversal of 77159068 is 86095177.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (6450948).

Almost surely, 2^77159068 is an apocalyptic number.

It is an amenable number.

77159068 is an abundant number, since it is smaller than the sum of its proper divisors (77663684).

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

77159068 is a wasteful number, since it uses less digits than its factorization.

77159068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9021 (or 9019 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 77159068 is about 8784.0234516991. The cubic root of 77159068 is about 425.7248401252.

The spelling of 77159068 in words is "seventy-seven million, one hundred fifty-nine thousand, sixty-eight".