80257557836 has 6 divisors (see below), whose sum is σ = 140450726220. Its totient is φ = 40128778916.

The previous prime is 80257557833. The next prime is 80257557839. The reversal of 80257557836 is 63875575208.

It is an interprime number because it is at equal distance from previous prime (80257557833) and next prime (80257557839).

It is not an unprimeable number, because it can be changed into a prime (80257557833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032194726 + ... + 10032194733.

It is an arithmetic number, because the mean of its divisors is an integer number (23408454370).

Almost surely, 2^80257557836 is an apocalyptic number.

It is an amenable number.

80257557836 is a deficient number, since it is larger than the sum of its proper divisors (60193168384).

80257557836 is a wasteful number, since it uses less digits than its factorization.

80257557836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064389463 (or 20064389461 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 80257557836 in words is "eighty billion, two hundred fifty-seven million, five hundred fifty-seven thousand, eight hundred thirty-six".