84428429193 has 16 divisors (see below), whose sum is σ = 125727240640. Its totient is φ = 55993980672.

The previous prime is 84428429171. The next prime is 84428429207. The reversal of 84428429193 is 39192482448.

It is a happy number.

84428429193 is a `hidden beast` number, since 8 + 4 + 4 + 28 + 429 + 193 = 666.

It is not a de Polignac number, because 84428429193 - 2¹² = 84428425097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84428429153) 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, 8095771 + ... + 8106192.

It is an arithmetic number, because the mean of its divisors is an integer number (7857952540).

Almost surely, 2^84428429193 is an apocalyptic number.

It is an amenable number.

84428429193 is a deficient number, since it is larger than the sum of its proper divisors (41298811447).

84428429193 is a wasteful number, since it uses less digits than its factorization.

84428429193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16202165 (or 16202159 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 84428429193 in words is "eighty-four billion, four hundred twenty-eight million, four hundred twenty-nine thousand, one hundred ninety-three".