80477139398 has 8 divisors (see below), whose sum is σ = 121010858760. Its totient is φ = 40140186480.

The previous prime is 80477139397. The next prime is 80477139433. The reversal of 80477139398 is 89393177408.

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 (80477139397) 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, 49190588 + ... + 49192223.

It is an arithmetic number, because the mean of its divisors is an integer number (15126357345).

Almost surely, 2^80477139398 is an apocalyptic number.

80477139398 is a deficient number, since it is larger than the sum of its proper divisors (40533719362).

80477139398 is a wasteful number, since it uses less digits than its factorization.

80477139398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98383222.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 80477139398 in words is "eighty billion, four hundred seventy-seven million, one hundred thirty-nine thousand, three hundred ninety-eight".