80900439070 has 48 divisors (see below), whose sum is σ = 160102905984. Its totient is φ = 29410920000.

The previous prime is 80900439007. The next prime is 80900439091. The reversal of 80900439070 is 7093400908.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7698820 + ... + 7709320.

It is an arithmetic number, because the mean of its divisors is an integer number (3335477208).

Almost surely, 2^80900439070 is an apocalyptic number.

80900439070 is a deficient number, since it is larger than the sum of its proper divisors (79202466914).

80900439070 is a wasteful number, since it uses less digits than its factorization.

80900439070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16897 (or 16886 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

Adding to 80900439070 its reverse (7093400908), we get a palindrome (87993839978).

The spelling of 80900439070 in words is "eighty billion, nine hundred million, four hundred thirty-nine thousand, seventy".