80654494726 has 32 divisors (see below), whose sum is σ = 136077096960. Its totient is φ = 35574093984.

The previous prime is 80654494721. The next prime is 80654494727. The reversal of 80654494726 is 62749445608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80654494721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598455 + ... + 720733.

It is an arithmetic number, because the mean of its divisors is an integer number (4252409280).

Almost surely, 2^80654494726 is an apocalyptic number.

80654494726 is a deficient number, since it is larger than the sum of its proper divisors (55422602234).

80654494726 is a wasteful number, since it uses less digits than its factorization.

80654494726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123420.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 80654494726 in words is "eighty billion, six hundred fifty-four million, four hundred ninety-four thousand, seven hundred twenty-six".