80651841771 has 16 divisors (see below), whose sum is σ = 110676021120. Its totient is φ = 52219738560.

The previous prime is 80651841719. The next prime is 80651841793. The reversal of 80651841771 is 17714815608.

It is not a de Polignac number, because 80651841771 - 2¹⁸ = 80651579627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80651841771.

It is not an unprimeable number, because it can be changed into a prime (80651840771) 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, 2730250 + ... + 2759631.

It is an arithmetic number, because the mean of its divisors is an integer number (6917251320).

Almost surely, 2^80651841771 is an apocalyptic number.

80651841771 is a deficient number, since it is larger than the sum of its proper divisors (30024179349).

80651841771 is a wasteful number, since it uses less digits than its factorization.

80651841771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490026.

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 80651841771 in words is "eighty billion, six hundred fifty-one million, eight hundred forty-one thousand, seven hundred seventy-one".