80849529677 has 16 divisors (see below), whose sum is σ = 93535919232. Its totient is φ = 68447669760.

The previous prime is 80849529671. The next prime is 80849529701. The reversal of 80849529677 is 77692594808.

It is a happy number.

It is not a de Polignac number, because 80849529677 - 2⁶ = 80849529613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80849529671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2690777 + ... + 2720657.

It is an arithmetic number, because the mean of its divisors is an integer number (5845994952).

Almost surely, 2^80849529677 is an apocalyptic number.

It is an amenable number.

80849529677 is a deficient number, since it is larger than the sum of its proper divisors (12686389555).

80849529677 is a wasteful number, since it uses less digits than its factorization.

80849529677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34628.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 80849529677 in words is "eighty billion, eight hundred forty-nine million, five hundred twenty-nine thousand, six hundred seventy-seven".