84987466637 has 4 divisors (see below), whose sum is σ = 86795710656. Its totient is φ = 83179222620.

The previous prime is 84987466601. The next prime is 84987466657. The reversal of 84987466637 is 73666478948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84987466637 - 2¹⁰ = 84987465613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84987466657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904121939 + ... + 904122032.

It is an arithmetic number, because the mean of its divisors is an integer number (21698927664).

Almost surely, 2^84987466637 is an apocalyptic number.

It is an amenable number.

84987466637 is a deficient number, since it is larger than the sum of its proper divisors (1808244019).

84987466637 is a wasteful number, since it uses less digits than its factorization.

84987466637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808244018.

The product of its digits is 292626432, while the sum is 68.

The spelling of 84987466637 in words is "eighty-four billion, nine hundred eighty-seven million, four hundred sixty-six thousand, six hundred thirty-seven".