80720460526 has 16 divisors (see below), whose sum is σ = 121629788640. Its totient is φ = 40177257120.

The previous prime is 80720460523. The next prime is 80720460599. The reversal of 80720460526 is 62506402708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80720460523) 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, 3798591 + ... + 3819781.

It is an arithmetic number, because the mean of its divisors is an integer number (7601861790).

Almost surely, 2^80720460526 is an apocalyptic number.

80720460526 is a deficient number, since it is larger than the sum of its proper divisors (40909328114).

80720460526 is a wasteful number, since it uses less digits than its factorization.

80720460526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29739.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 80720460526 in words is "eighty billion, seven hundred twenty million, four hundred sixty thousand, five hundred twenty-six".