2990702878 has 8 divisors (see below), whose sum is σ = 4490124768. Its totient is φ = 1493994624.

The previous prime is 2990702873. The next prime is 2990702899. The reversal of 2990702878 is 8782070992.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990702873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675651 + ... + 680062.

It is an arithmetic number, because the mean of its divisors is an integer number (561265596).

Almost surely, 2^2990702878 is an apocalyptic number.

2990702878 is a deficient number, since it is larger than the sum of its proper divisors (1499421890).

2990702878 is a wasteful number, since it uses less digits than its factorization.

2990702878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356818.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 2990702878 is about 54687.3191699867. The cubic root of 2990702878 is about 1440.7581652465.

The spelling of 2990702878 in words is "two billion, nine hundred ninety million, seven hundred two thousand, eight hundred seventy-eight".