2801778870 has 64 divisors (see below), whose sum is σ = 7514519040. Its totient is φ = 662649600.

The previous prime is 2801778869. The next prime is 2801778871. The reversal of 2801778870 is 788771082.

It is an interprime number because it is at equal distance from previous prime (2801778869) and next prime (2801778871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801778871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90010 + ... + 117069.

It is an arithmetic number, because the mean of its divisors is an integer number (117414360).

Almost surely, 2^2801778870 is an apocalyptic number.

2801778870 is an abundant number, since it is smaller than the sum of its proper divisors (4712740170).

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

2801778870 is a wasteful number, since it uses less digits than its factorization.

2801778870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207141.

The product of its (nonzero) digits is 351232, while the sum is 48.

The square root of 2801778870 is about 52931.8322939987. The cubic root of 2801778870 is about 1409.7581648518.

The spelling of 2801778870 in words is "two billion, eight hundred one million, seven hundred seventy-eight thousand, eight hundred seventy".