28358268807 has 16 divisors (see below), whose sum is σ = 43041800448. Its totient is φ = 16439575680.

The previous prime is 28358268739. The next prime is 28358268811. The reversal of 28358268807 is 70886285382.

It is a happy number.

It is not a de Polignac number, because 28358268807 - 2¹⁴ = 28358252423 is a prime.

It is a super-3 number, since 3×28358268807³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358268907) 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, 18680578 + ... + 18682095.

It is an arithmetic number, because the mean of its divisors is an integer number (2690112528).

Almost surely, 2^28358268807 is an apocalyptic number.

28358268807 is a deficient number, since it is larger than the sum of its proper divisors (14683531641).

28358268807 is a wasteful number, since it uses less digits than its factorization.

28358268807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37362710.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 28358268807 in words is "twenty-eight billion, three hundred fifty-eight million, two hundred sixty-eight thousand, eight hundred seven".