28894956130 has 16 divisors (see below), whose sum is σ = 52097472504. Its totient is φ = 11538748800.

The previous prime is 28894956091. The next prime is 28894956161. The reversal of 28894956130 is 3165949882.

It can be written as a sum of positive squares in 4 ways, for example, as 22595200489 + 6299755641 = 150317^2 + 79371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397897 + ... + 2409916.

Almost surely, 2^28894956130 is an apocalyptic number.

28894956130 is a deficient number, since it is larger than the sum of its proper divisors (23202516374).

28894956130 is a wasteful number, since it uses less digits than its factorization.

28894956130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808421.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 28894956130 in words is "twenty-eight billion, eight hundred ninety-four million, nine hundred fifty-six thousand, one hundred thirty".