84987707 has 12 divisors (see below), whose sum is σ = 99022680. Its totient is φ = 72729216.

The previous prime is 84987697. The next prime is 84987713. The reversal of 84987707 is 70778948.

It is not a de Polignac number, because 84987707 - 2¹⁰ = 84986683 is a prime.

It is a super-2 number, since 2×84987707² = 14445820682235698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84987787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44588 + ... + 46454.

It is an arithmetic number, because the mean of its divisors is an integer number (8251890).

Almost surely, 2^84987707 is an apocalyptic number.

84987707 is a deficient number, since it is larger than the sum of its proper divisors (14034973).

84987707 is a wasteful number, since it uses less digits than its factorization.

84987707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 84987707 is about 9218.8777516572. The cubic root of 84987707 is about 439.6617700264.

The spelling of 84987707 in words is "eighty-four million, nine hundred eighty-seven thousand, seven hundred seven".