278801230 has 16 divisors (see below), whose sum is σ = 514083024. Its totient is φ = 108800320.

The previous prime is 278801221. The next prime is 278801249. The reversal of 278801230 is 32108872.

It is a junction number, because it is equal to n+sod(n) for n = 278801192 and 278801201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339592 + ... + 340411.

It is an arithmetic number, because the mean of its divisors is an integer number (32130189).

Almost surely, 2^278801230 is an apocalyptic number.

278801230 is a deficient number, since it is larger than the sum of its proper divisors (235281794).

278801230 is a wasteful number, since it uses less digits than its factorization.

278801230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680051.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 278801230 is about 16697.3420040436. The cubic root of 278801230 is about 653.2782940468.

The spelling of 278801230 in words is "two hundred seventy-eight million, eight hundred one thousand, two hundred thirty".