2278795641 has 8 divisors (see below), whose sum is σ = 3041262144. Its totient is φ = 1517763120.

The previous prime is 2278795639. The next prime is 2278795657. The reversal of 2278795641 is 1465978722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2278795641 - 2¹ = 2278795639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2278795601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354781 + ... + 361146.

It is an arithmetic number, because the mean of its divisors is an integer number (380157768).

Almost surely, 2^2278795641 is an apocalyptic number.

It is an amenable number.

2278795641 is a deficient number, since it is larger than the sum of its proper divisors (762466503).

2278795641 is a wasteful number, since it uses less digits than its factorization.

2278795641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716991.

The product of its digits is 1693440, while the sum is 51.

The square root of 2278795641 is about 47736.7326175556. The cubic root of 2278795641 is about 1315.9370866426.

The spelling of 2278795641 in words is "two billion, two hundred seventy-eight million, seven hundred ninety-five thousand, six hundred forty-one".