84623939247 has 8 divisors (see below), whose sum is σ = 114960823344. Its totient is φ = 55351507328.

The previous prime is 84623939233. The next prime is 84623939251. The reversal of 84623939247 is 74293932648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84623939247 - 2⁷ = 84623939119 is a prime.

It is a super-2 number, since 2×84623939247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84623939287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266112858 + ... + 266113175.

It is an arithmetic number, because the mean of its divisors is an integer number (14370102918).

Almost surely, 2^84623939247 is an apocalyptic number.

84623939247 is a deficient number, since it is larger than the sum of its proper divisors (30336884097).

84623939247 is a wasteful number, since it uses less digits than its factorization.

84623939247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532226089.

The product of its digits is 15676416, while the sum is 57.

The spelling of 84623939247 in words is "eighty-four billion, six hundred twenty-three million, nine hundred thirty-nine thousand, two hundred forty-seven".