28571103402 has 8 divisors (see below), whose sum is σ = 57142206816. Its totient is φ = 9523701132.

The previous prime is 28571103389. The next prime is 28571103433. The reversal of 28571103402 is 20430117582.

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

28571103402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380925278 + ... + 2380925289.

It is an arithmetic number, because the mean of its divisors is an integer number (7142775852).

Almost surely, 2^28571103402 is an apocalyptic number.

28571103402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28571103402 is a wasteful number, since it uses less digits than its factorization.

28571103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761850572.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 28571103402 in words is "twenty-eight billion, five hundred seventy-one million, one hundred three thousand, four hundred two".