80902276843 has 4 divisors (see below), whose sum is σ = 81285700168. Its totient is φ = 80518853520.

The previous prime is 80902276799. The next prime is 80902276853. The reversal of 80902276843 is 34867220908.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80902276843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80902276853) 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, 191711346 + ... + 191711767.

It is an arithmetic number, because the mean of its divisors is an integer number (20321425042).

Almost surely, 2^80902276843 is an apocalyptic number.

80902276843 is a deficient number, since it is larger than the sum of its proper divisors (383423325).

80902276843 is a wasteful number, since it uses less digits than its factorization.

80902276843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383423324.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 80902276843 in words is "eighty billion, nine hundred two million, two hundred seventy-six thousand, eight hundred forty-three".