84428014635 has 64 divisors (see below), whose sum is σ = 157618575360. Its totient is φ = 42795941760.

The previous prime is 84428014613. The next prime is 84428014663. The reversal of 84428014635 is 53641082448.

84428014635 is a `hidden beast` number, since 8 + 4 + 4 + 2 + 8 + 0 + 1 + 4 + 635 = 666.

It is not a de Polignac number, because 84428014635 - 2⁷ = 84428014507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 400890 + ... + 574080.

It is an arithmetic number, because the mean of its divisors is an integer number (2462790240).

Almost surely, 2^84428014635 is an apocalyptic number.

84428014635 is a deficient number, since it is larger than the sum of its proper divisors (73190560725).

84428014635 is a wasteful number, since it uses less digits than its factorization.

84428014635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173385 (or 173379 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 84428014635 in words is "eighty-four billion, four hundred twenty-eight million, fourteen thousand, six hundred thirty-five".