4278786046 has 4 divisors (see below), whose sum is σ = 6418179072. Its totient is φ = 2139393022.

The previous prime is 4278786041. The next prime is 4278786091. The reversal of 4278786046 is 6406878724.

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

It is a junction number, because it is equal to n+sod(n) for n = 4278785984 and 4278786002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278786041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069696510 + ... + 1069696513.

It is an arithmetic number, because the mean of its divisors is an integer number (1604544768).

Almost surely, 2^4278786046 is an apocalyptic number.

4278786046 is a deficient number, since it is larger than the sum of its proper divisors (2139393026).

4278786046 is a wasteful number, since it uses less digits than its factorization.

4278786046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139393025.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The square root of 4278786046 is about 65412.4303630434. The cubic root of 4278786046 is about 1623.4547577807.

The spelling of 4278786046 in words is "four billion, two hundred seventy-eight million, seven hundred eighty-six thousand, forty-six".