84152839702 has 4 divisors (see below), whose sum is σ = 126229259556. Its totient is φ = 42076419850.

The previous prime is 84152839651. The next prime is 84152839721. The reversal of 84152839702 is 20793825148.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21038209924 + ... + 21038209927.

It is an arithmetic number, because the mean of its divisors is an integer number (31557314889).

Almost surely, 2^84152839702 is an apocalyptic number.

84152839702 is a deficient number, since it is larger than the sum of its proper divisors (42076419854).

84152839702 is a wasteful number, since it uses less digits than its factorization.

84152839702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42076419853.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 84152839702 in words is "eighty-four billion, one hundred fifty-two million, eight hundred thirty-nine thousand, seven hundred two".