2278652862 has 16 divisors (see below), whose sum is σ = 4797164160. Its totient is φ = 719574552.

The previous prime is 2278652839. The next prime is 2278652863. The reversal of 2278652862 is 2682568722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278652863) 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, 9993978 + ... + 9994205.

It is an arithmetic number, because the mean of its divisors is an integer number (299822760).

Almost surely, 2^2278652862 is an apocalyptic number.

2278652862 is an abundant number, since it is smaller than the sum of its proper divisors (2518511298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278652862 is a wasteful number, since it uses less digits than its factorization.

2278652862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988207.

The product of its digits is 1290240, while the sum is 48.

The square root of 2278652862 is about 47735.2371105455. The cubic root of 2278652862 is about 1315.9096025187.

The spelling of 2278652862 in words is "two billion, two hundred seventy-eight million, six hundred fifty-two thousand, eight hundred sixty-two".