80837638 has 8 divisors (see below), whose sum is σ = 138578832. Its totient is φ = 34644696.

The previous prime is 80837629. The next prime is 80837639. The reversal of 80837638 is 83673808.

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

It is a junction number, because it is equal to n+sod(n) for n = 80837594 and 80837603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80837639) 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, 2887045 + ... + 2887072.

It is an arithmetic number, because the mean of its divisors is an integer number (17322354).

Almost surely, 2^80837638 is an apocalyptic number.

80837638 is a deficient number, since it is larger than the sum of its proper divisors (57741194).

80837638 is a wasteful number, since it uses less digits than its factorization.

80837638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774126.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 80837638 is about 8990.9753642194. The cubic root of 80837638 is about 432.3855832415.

The spelling of 80837638 in words is "eighty million, eight hundred thirty-seven thousand, six hundred thirty-eight".