80021263 has 12 divisors (see below), whose sum is σ = 93489120. Its totient is φ = 68292672.

The previous prime is 80021257. The next prime is 80021281. The reversal of 80021263 is 36212008.

It is not a de Polignac number, because 80021263 - 2¹³ = 80013071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80021243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8295 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (7790760).

Almost surely, 2^80021263 is an apocalyptic number.

80021263 is a deficient number, since it is larger than the sum of its proper divisors (13467857).

80021263 is a wasteful number, since it uses less digits than its factorization.

80021263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 80021263 is about 8945.4604688635. The cubic root of 80021263 is about 430.9251094121.

The spelling of 80021263 in words is "eighty million, twenty-one thousand, two hundred sixty-three".