80973878 has 8 divisors (see below), whose sum is σ = 121557672. Its totient is φ = 40454656.

The previous prime is 80973853. The next prime is 80973881. The reversal of 80973878 is 87837908.

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

It is a Curzon number.

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, 12875 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (15194709).

Almost surely, 2^80973878 is an apocalyptic number.

80973878 is a deficient number, since it is larger than the sum of its proper divisors (40583794).

80973878 is a wasteful number, since it uses less digits than its factorization.

80973878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32286.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 80973878 is about 8998.5486607564. The cubic root of 80973878 is about 432.6283544331.

The spelling of 80973878 in words is "eighty million, nine hundred seventy-three thousand, eight hundred seventy-eight".