77857296673 has 8 divisors (see below), whose sum is σ = 83849064768. Its totient is φ = 71865920784.

The previous prime is 77857296667. The next prime is 77857296733. The reversal of 77857296673 is 37669275877.

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 77857296673 - 2²⁹ = 77320425761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77857296599 and 77857296608.

It is not an unprimeable number, because it can be changed into a prime (77857296973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412890 + ... + 571132.

It is an arithmetic number, because the mean of its divisors is an integer number (10481133096).

Almost surely, 2^77857296673 is an apocalyptic number.

It is an amenable number.

77857296673 is a deficient number, since it is larger than the sum of its proper divisors (5991768095).

77857296673 is a wasteful number, since it uses less digits than its factorization.

77857296673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196103.

The product of its digits is 186701760, while the sum is 67.

The spelling of 77857296673 in words is "seventy-seven billion, eight hundred fifty-seven million, two hundred ninety-six thousand, six hundred seventy-three".