28936227378 has 8 divisors (see below), whose sum is σ = 57872454768. Its totient is φ = 9645409124.

The previous prime is 28936227371. The next prime is 28936227379. The reversal of 28936227378 is 87372263982.

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

28936227378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28936227371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411352276 + ... + 2411352287.

It is an arithmetic number, because the mean of its divisors is an integer number (7234056846).

Almost surely, 2^28936227378 is an apocalyptic number.

28936227378 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.

28936227378 is a wasteful number, since it uses less digits than its factorization.

28936227378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822704568.

The product of its digits is 12192768, while the sum is 57.

The spelling of 28936227378 in words is "twenty-eight billion, nine hundred thirty-six million, two hundred twenty-seven thousand, three hundred seventy-eight".