4278698071 has 4 divisors (see below), whose sum is σ = 4279408000. Its totient is φ = 4277988144.

The previous prime is 4278698009. The next prime is 4278698111. The reversal of 4278698071 is 1708968724.

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 4278698071 - 2²¹ = 4276600919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278698371) 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, 345846 + ... + 358003.

It is an arithmetic number, because the mean of its divisors is an integer number (1069852000).

Almost surely, 2^4278698071 is an apocalyptic number.

4278698071 is a deficient number, since it is larger than the sum of its proper divisors (709929).

4278698071 is an equidigital number, since it uses as much as digits as its factorization.

4278698071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709928.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 4278698071 is about 65411.7578956566. The cubic root of 4278698071 is about 1623.4436312283.

The spelling of 4278698071 in words is "four billion, two hundred seventy-eight million, six hundred ninety-eight thousand, seventy-one".