80825402438 has 8 divisors (see below), whose sum is σ = 132259749480. Its totient is φ = 36738819280.

The previous prime is 80825402401. The next prime is 80825402453. The reversal of 80825402438 is 83420452808.

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

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, 1836940943 + ... + 1836940986.

It is an arithmetic number, because the mean of its divisors is an integer number (16532468685).

Almost surely, 2^80825402438 is an apocalyptic number.

80825402438 is a deficient number, since it is larger than the sum of its proper divisors (51434347042).

80825402438 is a wasteful number, since it uses less digits than its factorization.

80825402438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673881942.

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 80825402438 in words is "eighty billion, eight hundred twenty-five million, four hundred two thousand, four hundred thirty-eight".