80876534 has 8 divisors (see below), whose sum is σ = 125498160. Its totient is φ = 39043816.

The previous prime is 80876479. The next prime is 80876557. The reversal of 80876534 is 43567808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80876491 and 80876500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697154 + ... + 697269.

It is an arithmetic number, because the mean of its divisors is an integer number (15687270).

Almost surely, 2^80876534 is an apocalyptic number.

80876534 is a deficient number, since it is larger than the sum of its proper divisors (44621626).

80876534 is a wasteful number, since it uses less digits than its factorization.

80876534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394454.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 80876534 is about 8993.1381619544. The cubic root of 80876534 is about 432.4549212932.

The spelling of 80876534 in words is "eighty million, eight hundred seventy-six thousand, five hundred thirty-four".