278132083 has 4 divisors (see below), whose sum is σ = 280885968. Its totient is φ = 275378200.

The previous prime is 278132059. The next prime is 278132147. The reversal of 278132083 is 380231872.

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

It is a cyclic number.

It is not a de Polignac number, because 278132083 - 2¹⁷ = 278001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (278132003) 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, 1376791 + ... + 1376992.

It is an arithmetic number, because the mean of its divisors is an integer number (70221492).

Almost surely, 2^278132083 is an apocalyptic number.

278132083 is a deficient number, since it is larger than the sum of its proper divisors (2753885).

278132083 is a wasteful number, since it uses less digits than its factorization.

278132083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753884.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 278132083 is about 16677.2924361240. The cubic root of 278132083 is about 652.7552339422.

The spelling of 278132083 in words is "two hundred seventy-eight million, one hundred thirty-two thousand, eighty-three".