2780796970 has 32 divisors (see below), whose sum is σ = 5779484928. Its totient is φ = 943584768.

The previous prime is 2780796961. The next prime is 2780796973. The reversal of 2780796970 is 796970872.

It is a super-2 number, since 2×2780796970² = 15465663576722361800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (55) 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 (2780796973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197982 + ... + 211561.

It is an arithmetic number, because the mean of its divisors is an integer number (180608904).

Almost surely, 2^2780796970 is an apocalyptic number.

2780796970 is an abundant number, since it is smaller than the sum of its proper divisors (2998687958).

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

2780796970 is a wasteful number, since it uses less digits than its factorization.

2780796970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409654.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 2780796970 is about 52733.2624630792. The cubic root of 2780796970 is about 1406.2302214963.

The spelling of 2780796970 in words is "two billion, seven hundred eighty million, seven hundred ninety-six thousand, nine hundred seventy".