28556151397098 has 192 divisors, whose sum is σ = 68083419317760. Its totient is φ = 7943936372736.

The previous prime is 28556151397057. The next prime is 28556151397187. The reversal of 28556151397098 is 89079315165582.

It is a super-3 number, since 3×28556151397098³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98335711 + ... + 98625677.

It is an arithmetic number, because the mean of its divisors is an integer number (354601142280).

Almost surely, 2^{28556151397098} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28556151397098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34041709658880).

28556151397098 is an abundant number, since it is smaller than the sum of its proper divisors (39527267920662).

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

28556151397098 is a wasteful number, since it uses less digits than its factorization.

28556151397098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290241 (or 290228 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 69.

The spelling of 28556151397098 in words is "twenty-eight trillion, five hundred fifty-six billion, one hundred fifty-one million, three hundred ninety-seven thousand, ninety-eight".