2870870646 has 16 divisors (see below), whose sum is σ = 6561990144. Its totient is φ = 820248744.

The previous prime is 2870870641. The next prime is 2870870647. The reversal of 2870870646 is 6460780782.

It is a junction number, because it is equal to n+sod(n) for n = 2870870595 and 2870870604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870870641) 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, 34176990 + ... + 34177073.

It is an arithmetic number, because the mean of its divisors is an integer number (410124384).

Almost surely, 2^2870870646 is an apocalyptic number.

2870870646 is an abundant number, since it is smaller than the sum of its proper divisors (3691119498).

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

2870870646 is a wasteful number, since it uses less digits than its factorization.

2870870646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68354075.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 2870870646 is about 53580.5062126143. The cubic root of 2870870646 is about 1421.2523907789.

The spelling of 2870870646 in words is "two billion, eight hundred seventy million, eight hundred seventy thousand, six hundred forty-six".