28674515013378 has 32 divisors (see below), whose sum is σ = 61761789229056. Its totient is φ = 8822742645888.

The previous prime is 28674515013307. The next prime is 28674515013379. The reversal of 28674515013378 is 87331051547682.

It is a super-2 number, since 2×28674515013378² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28674515013379) 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, 89026 + ... + 7573437.

It is an arithmetic number, because the mean of its divisors is an integer number (1930055913408).

Almost surely, 2^{28674515013378} is an apocalyptic number.

28674515013378 is an abundant number, since it is smaller than the sum of its proper divisors (33087274215678).

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

28674515013378 is a wasteful number, since it uses less digits than its factorization.

28674515013378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710458.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 28674515013378 in words is "twenty-eight trillion, six hundred seventy-four billion, five hundred fifteen million, thirteen thousand, three hundred seventy-eight".