80690205338 has 16 divisors (see below), whose sum is σ = 121209893376. Its totient is φ = 40286937600.

The previous prime is 80690205293. The next prime is 80690205353. The reversal of 80690205338 is 83350209608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8813063 + ... + 8822213.

It is an arithmetic number, because the mean of its divisors is an integer number (7575618336).

Almost surely, 2^80690205338 is an apocalyptic number.

80690205338 is a deficient number, since it is larger than the sum of its proper divisors (40519688038).

80690205338 is a wasteful number, since it uses less digits than its factorization.

80690205338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15029.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 80690205338 in words is "eighty billion, six hundred ninety million, two hundred five thousand, three hundred thirty-eight".