278355000034 has 4 divisors (see below), whose sum is σ = 417532500054. Its totient is φ = 139177500016.

The previous prime is 278354999963. The next prime is 278355000071. The reversal of 278355000034 is 430000553872.

278355000034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 277249637025 + 1105363009 = 526545^2 + 33247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 278354999957 and 278355000002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69588750007 + ... + 69588750010.

Almost surely, 2^278355000034 is an apocalyptic number.

278355000034 is a deficient number, since it is larger than the sum of its proper divisors (139177500020).

278355000034 is a wasteful number, since it uses less digits than its factorization.

278355000034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139177500019.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 278355000034 in words is "two hundred seventy-eight billion, three hundred fifty-five million, thirty-four", and thus it is an aban number.