80287863903 has 32 divisors (see below), whose sum is σ = 131218879680. Its totient is φ = 48202836480.

The previous prime is 80287863871. The next prime is 80287863907. The reversal of 80287863903 is 30936878208.

It is not a de Polignac number, because 80287863903 - 2⁵ = 80287863871 is a prime.

It is a super-2 number, since 2×80287863903² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80287863903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80287863907) 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 in 31 ways as a sum of consecutive naturals, for example, 2775126 + ... + 2803907.

It is an arithmetic number, because the mean of its divisors is an integer number (4100589990).

Almost surely, 2^80287863903 is an apocalyptic number.

80287863903 is a deficient number, since it is larger than the sum of its proper divisors (50931015777).

80287863903 is a wasteful number, since it uses less digits than its factorization.

80287863903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579096 (or 5579090 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 80287863903 in words is "eighty billion, two hundred eighty-seven million, eight hundred sixty-three thousand, nine hundred three".