83478854 has 4 divisors (see below), whose sum is σ = 125218284. Its totient is φ = 41739426.

The previous prime is 83478847. The next prime is 83478881. The reversal of 83478854 is 45887438.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83478799 and 83478808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20869712 + ... + 20869715.

It is an arithmetic number, because the mean of its divisors is an integer number (31304571).

Almost surely, 2^83478854 is an apocalyptic number.

83478854 is a deficient number, since it is larger than the sum of its proper divisors (41739430).

83478854 is a wasteful number, since it uses less digits than its factorization.

83478854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41739429.

The product of its digits is 860160, while the sum is 47.

The square root of 83478854 is about 9136.6763103439. The cubic root of 83478854 is about 437.0443325414.

The spelling of 83478854 in words is "eighty-three million, four hundred seventy-eight thousand, eight hundred fifty-four".