84170620255292 has 24 divisors (see below), whose sum is σ = 147971989831680. Its totient is φ = 41893044809840.

The previous prime is 84170620255291. The next prime is 84170620255303. The reversal of 84170620255292 is 29255202607148.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84170620255291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14513468 + ... + 19467459.

It is an arithmetic number, because the mean of its divisors is an integer number (6165499576320).

Almost surely, 2^{84170620255292} is an apocalyptic number.

It is an amenable number.

84170620255292 is a deficient number, since it is larger than the sum of its proper divisors (63801369576388).

84170620255292 is a wasteful number, since it uses less digits than its factorization.

84170620255292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33983761 (or 33983759 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 84170620255292 in words is "eighty-four trillion, one hundred seventy billion, six hundred twenty million, two hundred fifty-five thousand, two hundred ninety-two".