28761964034 has 4 divisors (see below), whose sum is σ = 43142946054. Its totient is φ = 14380982016.

The previous prime is 28761964019. The next prime is 28761964061. The reversal of 28761964034 is 43046916782.

28761964034 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19651834225 + 9110129809 = 140185^2 + 95447^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190491007 + ... + 7190491010.

Almost surely, 2^28761964034 is an apocalyptic number.

28761964034 is a deficient number, since it is larger than the sum of its proper divisors (14380982020).

28761964034 is a wasteful number, since it uses less digits than its factorization.

28761964034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380982019.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 28761964034 in words is "twenty-eight billion, seven hundred sixty-one million, nine hundred sixty-four thousand, thirty-four".