84028929243 has 32 divisors (see below), whose sum is σ = 130687065600. Its totient is φ = 48005566560.

The previous prime is 84028929223. The next prime is 84028929253. The reversal of 84028929243 is 34292982048.

It is not a de Polignac number, because 84028929243 - 2²⁴ = 84012152027 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84028929203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7224973 + ... + 7236593.

It is an arithmetic number, because the mean of its divisors is an integer number (4083970800).

Almost surely, 2^84028929243 is an apocalyptic number.

84028929243 is a deficient number, since it is larger than the sum of its proper divisors (46658136357).

84028929243 is a wasteful number, since it uses less digits than its factorization.

84028929243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672 (or 18658 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 84028929243 in words is "eighty-four billion, twenty-eight million, nine hundred twenty-nine thousand, two hundred forty-three".