84238002128 has 20 divisors (see below), whose sum is σ = 186527004960. Its totient is φ = 36102000864.

The previous prime is 84238002077. The next prime is 84238002133. The reversal of 84238002128 is 82120083248.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84238002091 and 84238002100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376062398 + ... + 376062621.

It is an arithmetic number, because the mean of its divisors is an integer number (9326350248).

Almost surely, 2^84238002128 is an apocalyptic number.

It is an amenable number.

84238002128 is an abundant number, since it is smaller than the sum of its proper divisors (102289002832).

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

84238002128 is a wasteful number, since it uses less digits than its factorization.

84238002128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752125034 (or 752125028 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 84238002128 in words is "eighty-four billion, two hundred thirty-eight million, two thousand, one hundred twenty-eight".