28475313071 has 16 divisors (see below), whose sum is σ = 29683079328. Its totient is φ = 27293068800.

The previous prime is 28475313067. The next prime is 28475313131. The reversal of 28475313071 is 17031357482.

It is a cyclic number.

It is not a de Polignac number, because 28475313071 - 2² = 28475313067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475313271) 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, 2262131 + ... + 2274683.

It is an arithmetic number, because the mean of its divisors is an integer number (1855192458).

Almost surely, 2^28475313071 is an apocalyptic number.

28475313071 is a deficient number, since it is larger than the sum of its proper divisors (1207766257).

28475313071 is a wasteful number, since it uses less digits than its factorization.

28475313071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 28475313071 in words is "twenty-eight billion, four hundred seventy-five million, three hundred thirteen thousand, seventy-one".