80138463 has 16 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 50979104.

The previous prime is 80138449. The next prime is 80138473. The reversal of 80138463 is 36483108.

It is a cyclic number.

It is not a de Polignac number, because 80138463 - 2⁹ = 80137951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80138423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33553 + ... + 35861.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^80138463 is an apocalyptic number.

80138463 is a deficient number, since it is larger than the sum of its proper divisors (31628577).

80138463 is a wasteful number, since it uses less digits than its factorization.

80138463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80138463 is about 8952.0088806926. The cubic root of 80138463 is about 431.1353859667.

It can be divided in two parts, 80138 and 463, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 80138463 in words is "eighty million, one hundred thirty-eight thousand, four hundred sixty-three".