28034415475 has 24 divisors (see below), whose sum is σ = 38729806848. Its totient is φ = 19954855200.

The previous prime is 28034415377. The next prime is 28034415491. The reversal of 28034415475 is 57451443082.

It is not a de Polignac number, because 28034415475 - 2²⁹ = 27497544563 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071579 + ... + 1097428.

It is an arithmetic number, because the mean of its divisors is an integer number (1613741952).

Almost surely, 2^28034415475 is an apocalyptic number.

28034415475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28034415475 is a deficient number, since it is larger than the sum of its proper divisors (10695391373).

28034415475 is a wasteful number, since it uses less digits than its factorization.

28034415475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169075 (or 2169070 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 28034415475 in words is "twenty-eight billion, thirty-four million, four hundred fifteen thousand, four hundred seventy-five".