2878143952 has 10 divisors (see below), whose sum is σ = 5576403938. Its totient is φ = 1439071968.

The previous prime is 2878143941. The next prime is 2878143967. The reversal of 2878143952 is 2593418782.

It can be written as a sum of positive squares in only one way, i.e., 2016369216 + 861774736 = 44904^2 + 29356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2878143896 and 2878143905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89941983 + ... + 89942014.

Almost surely, 2^2878143952 is an apocalyptic number.

It is an amenable number.

2878143952 is a deficient number, since it is larger than the sum of its proper divisors (2698259986).

2878143952 is a wasteful number, since it uses less digits than its factorization.

2878143952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179884005 (or 179883999 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 2878143952 is about 53648.3359667381. The cubic root of 2878143952 is about 1422.4516188606.

The spelling of 2878143952 in words is "two billion, eight hundred seventy-eight million, one hundred forty-three thousand, nine hundred fifty-two".