77039298085 has 8 divisors (see below), whose sum is σ = 94014059040. Its totient is φ = 60586837584.

The previous prime is 77039298013. The next prime is 77039298143. The reversal of 77039298085 is 58089293077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77039298085 - 2²⁹ = 76502427173 is a prime.

It is a congruent 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, 130574787 + ... + 130575376.

It is an arithmetic number, because the mean of its divisors is an integer number (11751757380).

Almost surely, 2^77039298085 is an apocalyptic number.

It is an amenable number.

77039298085 is a deficient number, since it is larger than the sum of its proper divisors (16974760955).

77039298085 is a wasteful number, since it uses less digits than its factorization.

77039298085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261150227.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 77039298085 in words is "seventy-seven billion, thirty-nine million, two hundred ninety-eight thousand, eighty-five".