84557356718 has 16 divisors (see below), whose sum is σ = 126973837104. Its totient is φ = 42232769280.

The previous prime is 84557356711. The next prime is 84557356729. The reversal of 84557356718 is 81765375548.

It is a super-3 number, since 3×84557356718³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84557356711) 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, 14434046 + ... + 14439902.

It is an arithmetic number, because the mean of its divisors is an integer number (7935864819).

Almost surely, 2^84557356718 is an apocalyptic number.

84557356718 is a deficient number, since it is larger than the sum of its proper divisors (42416480386).

84557356718 is a wasteful number, since it uses less digits than its factorization.

84557356718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12467.

The product of its digits is 28224000, while the sum is 59.

The spelling of 84557356718 in words is "eighty-four billion, five hundred fifty-seven million, three hundred fifty-six thousand, seven hundred eighteen".