42786790198 has 16 divisors (see below), whose sum is σ = 66975588576. Its totient is φ = 20461731840.

The previous prime is 42786790159. The next prime is 42786790199. The reversal of 42786790198 is 89109768724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42786790199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822688 + ... + 873148.

It is an arithmetic number, because the mean of its divisors is an integer number (4185974286).

Almost surely, 2^42786790198 is an apocalyptic number.

42786790198 is a deficient number, since it is larger than the sum of its proper divisors (24188798378).

42786790198 is a wasteful number, since it uses less digits than its factorization.

42786790198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68919.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 42786790198 in words is "forty-two billion, seven hundred eighty-six million, seven hundred ninety thousand, one hundred ninety-eight".