80469489771 has 80 divisors (see below), whose sum is σ = 132135670656. Its totient is φ = 48399120000.

The previous prime is 80469489731. The next prime is 80469489781. The reversal of 80469489771 is 17798496408.

80469489771 is a `hidden beast` number, since 80 + 4 + 6 + 9 + 489 + 7 + 71 = 666.

It is not a de Polignac number, because 80469489771 - 2¹¹ = 80469487723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80469489699 and 80469489708.

It is not an unprimeable number, because it can be changed into a prime (80469489731) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82872316 + ... + 82873286.

Almost surely, 2^80469489771 is an apocalyptic number.

80469489771 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80469489771 is a deficient number, since it is larger than the sum of its proper divisors (51666180885).

80469489771 is a wasteful number, since it uses less digits than its factorization.

80469489771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 80469489771 in words is "eighty billion, four hundred sixty-nine million, four hundred eighty-nine thousand, seven hundred seventy-one".