2878546020 has 96 divisors (see below), whose sum is σ = 9407397888. Its totient is φ = 643949952.

The previous prime is 2878545959. The next prime is 2878546031. The reversal of 2878546020 is 206458782.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53172 + ... + 92651.

It is an arithmetic number, because the mean of its divisors is an integer number (97993728).

Almost surely, 2^2878546020 is an apocalyptic number.

2878546020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2878546020 is an abundant number, since it is smaller than the sum of its proper divisors (6528851868).

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

2878546020 is a wasteful number, since it uses less digits than its factorization.

2878546020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145889 (or 145887 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2878546020 is about 53652.0830909667. The cubic root of 2878546020 is about 1422.5178531719.

The spelling of 2878546020 in words is "two billion, eight hundred seventy-eight million, five hundred forty-six thousand, twenty".