2279387568720 has 80 divisors (see below), whose sum is σ = 7095666919680. Its totient is φ = 605293420032.

The previous prime is 2279387568697. The next prime is 2279387568743. The reversal of 2279387568720 is 278657839722.

It is an interprime number because it is at equal distance from previous prime (2279387568697) and next prime (2279387568743).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19811779 + ... + 19926498.

It is an arithmetic number, because the mean of its divisors is an integer number (88695836496).

Almost surely, 2^{2279387568720} is an apocalyptic number.

2279387568720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279387568720 is an abundant number, since it is smaller than the sum of its proper divisors (4816279350960).

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

2279387568720 is a wasteful number, since it uses less digits than its factorization.

2279387568720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39738532 (or 39738526 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 2279387568720 in words is "two trillion, two hundred seventy-nine billion, three hundred eighty-seven million, five hundred sixty-eight thousand, seven hundred twenty".