28741890734 has 8 divisors (see below), whose sum is σ = 43377332520. Its totient is φ = 14282779896.

The previous prime is 28741890733. The next prime is 28741890761. The reversal of 28741890734 is 43709814782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741890733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44082329 + ... + 44082980.

It is an arithmetic number, because the mean of its divisors is an integer number (5422166565).

Almost surely, 2^28741890734 is an apocalyptic number.

28741890734 is a deficient number, since it is larger than the sum of its proper divisors (14635441786).

28741890734 is a wasteful number, since it uses less digits than its factorization.

28741890734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88165474.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 28741890734 in words is "twenty-eight billion, seven hundred forty-one million, eight hundred ninety thousand, seven hundred thirty-four".