80574729428 has 12 divisors (see below), whose sum is σ = 141114502452. Its totient is φ = 40256300160.

The previous prime is 80574729379. The next prime is 80574729437. The reversal of 80574729428 is 82492747508.

It can be written as a sum of positive squares in 2 ways, for example, as 40377687364 + 40197042064 = 200942^2 + 200492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760303 + ... + 7770678.

It is an arithmetic number, because the mean of its divisors is an integer number (11759541871).

Almost surely, 2^80574729428 is an apocalyptic number.

It is an amenable number.

80574729428 is a deficient number, since it is larger than the sum of its proper divisors (60539773024).

80574729428 is a wasteful number, since it uses less digits than its factorization.

80574729428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532282 (or 15532280 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 80574729428 in words is "eighty billion, five hundred seventy-four million, seven hundred twenty-nine thousand, four hundred twenty-eight".