2778783070 has 16 divisors (see below), whose sum is σ = 5716353888. Its totient is φ = 952725600.

The previous prime is 2778783031. The next prime is 2778783071. The reversal of 2778783070 is 703878772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778783071) 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 7 ways as a sum of consecutive naturals, for example, 19848381 + ... + 19848520.

It is an arithmetic number, because the mean of its divisors is an integer number (357272118).

Almost surely, 2^2778783070 is an apocalyptic number.

2778783070 is an abundant number, since it is smaller than the sum of its proper divisors (2937570818).

2778783070 is a wasteful number, since it uses less digits than its factorization.

2778783070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39696915.

The product of its (nonzero) digits is 921984, while the sum is 49.

The square root of 2778783070 is about 52714.1638461619. The cubic root of 2778783070 is about 1405.8906676428.

The spelling of 2778783070 in words is "two billion, seven hundred seventy-eight million, seven hundred eighty-three thousand, seventy".