84694509931 has 8 divisors (see below), whose sum is σ = 88421405184. Its totient is φ = 80971325160.

The previous prime is 84694509917. The next prime is 84694509937. The reversal of 84694509931 is 13990549648.

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 84694509931 - 2¹⁷ = 84694378859 is a prime.

It is a super-2 number, since 2×84694509931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84694509937) 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, 880915 + ... + 972316.

It is an arithmetic number, because the mean of its divisors is an integer number (11052675648).

Almost surely, 2^84694509931 is an apocalyptic number.

84694509931 is a deficient number, since it is larger than the sum of its proper divisors (3726895253).

84694509931 is a wasteful number, since it uses less digits than its factorization.

84694509931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855241.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 84694509931 in words is "eighty-four billion, six hundred ninety-four million, five hundred nine thousand, nine hundred thirty-one".