77700850077 has 8 divisors (see below), whose sum is σ = 103606431264. Its totient is φ = 51797917808.

The previous prime is 77700850043. The next prime is 77700850079. The reversal of 77700850077 is 77005800777.

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 77700850077 - 2⁶ = 77700850013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77700850079) 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, 592743 + ... + 711860.

It is an arithmetic number, because the mean of its divisors is an integer number (12950803908).

Almost surely, 2^77700850077 is an apocalyptic number.

It is an amenable number.

77700850077 is a deficient number, since it is larger than the sum of its proper divisors (25905581187).

77700850077 is a wasteful number, since it uses less digits than its factorization.

77700850077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324459.

The product of its (nonzero) digits is 672280, while the sum is 48.

The spelling of 77700850077 in words is "seventy-seven billion, seven hundred million, eight hundred fifty thousand, seventy-seven".