2780028079683 has 8 divisors (see below), whose sum is σ = 3707612851200. Its totient is φ = 1852897680648.

The previous prime is 2780028079667. The next prime is 2780028079693. The reversal of 2780028079683 is 3869708200872.

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

It is not a de Polignac number, because 2780028079683 - 2⁴ = 2780028079667 is a prime.

It is a super-2 number, since 2×2780028079683² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2780028079693) 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, 113578843 + ... + 113603316.

It is an arithmetic number, because the mean of its divisors is an integer number (463451606400).

Almost surely, 2^{2780028079683} is an apocalyptic number.

2780028079683 is a deficient number, since it is larger than the sum of its proper divisors (927584771517).

2780028079683 is a wasteful number, since it uses less digits than its factorization.

2780028079683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227186241.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 2780028079683 in words is "two trillion, seven hundred eighty billion, twenty-eight million, seventy-nine thousand, six hundred eighty-three".