80029071638 has 8 divisors (see below), whose sum is σ = 126361692120. Its totient is φ = 37908507600.

The previous prime is 80029071631. The next prime is 80029071641. The reversal of 80029071638 is 83617092008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80029071631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053014063 + ... + 1053014138.

It is an arithmetic number, because the mean of its divisors is an integer number (15795211515).

Almost surely, 2^80029071638 is an apocalyptic number.

80029071638 is a deficient number, since it is larger than the sum of its proper divisors (46332620482).

80029071638 is a wasteful number, since it uses less digits than its factorization.

80029071638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106028222.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 80029071638 in words is "eighty billion, twenty-nine million, seventy-one thousand, six hundred thirty-eight".