28434677734 has 32 divisors (see below), whose sum is σ = 47552680800. Its totient is φ = 12672806400.

The previous prime is 28434677731. The next prime is 28434677737. The reversal of 28434677734 is 43777643482.

It is an interprime number because it is at equal distance from previous prime (28434677731) and next prime (28434677737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434677731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290932 + ... + 3299560.

It is an arithmetic number, because the mean of its divisors is an integer number (1486021275).

Almost surely, 2^28434677734 is an apocalyptic number.

28434677734 is a deficient number, since it is larger than the sum of its proper divisors (19118003066).

28434677734 is a wasteful number, since it uses less digits than its factorization.

28434677734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768.

The product of its digits is 18966528, while the sum is 55.

The spelling of 28434677734 in words is "twenty-eight billion, four hundred thirty-four million, six hundred seventy-seven thousand, seven hundred thirty-four".