2878694650 has 48 divisors (see below), whose sum is σ = 5783317344. Its totient is φ = 1059756480.

The previous prime is 2878694639. The next prime is 2878694669. The reversal of 2878694650 is 564968782.

It is a junction number, because it is equal to n+sod(n) for n = 2878694591 and 2878694600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219169 + ... + 231931.

It is an arithmetic number, because the mean of its divisors is an integer number (120485778).

Almost surely, 2^2878694650 is an apocalyptic number.

2878694650 is an abundant number, since it is smaller than the sum of its proper divisors (2904622694).

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

2878694650 is a wasteful number, since it uses less digits than its factorization.

2878694650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135 (or 13130 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 2878694650 is about 53653.4682010399. The cubic root of 2878694650 is about 1422.5423360402.

The spelling of 2878694650 in words is "two billion, eight hundred seventy-eight million, six hundred ninety-four thousand, six hundred fifty".