80777350077 has 8 divisors (see below), whose sum is σ = 112385878464. Its totient is φ = 51510194208.

The previous prime is 80777350067. The next prime is 80777350099. The reversal of 80777350077 is 77005377708.

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

It is not a de Polignac number, because 80777350077 - 2⁴ = 80777350061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80777350067) 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, 585343048 + ... + 585343185.

It is an arithmetic number, because the mean of its divisors is an integer number (14048234808).

Almost surely, 2^80777350077 is an apocalyptic number.

It is an amenable number.

80777350077 is a deficient number, since it is larger than the sum of its proper divisors (31608528387).

80777350077 is a wasteful number, since it uses less digits than its factorization.

80777350077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170686259.

The product of its (nonzero) digits is 2016840, while the sum is 51.

The spelling of 80777350077 in words is "eighty billion, seven hundred seventy-seven million, three hundred fifty thousand, seventy-seven".