84670011 has 12 divisors (see below), whose sum is σ = 123265792. Its totient is φ = 56001456.

The previous prime is 84670007. The next prime is 84670031. The reversal of 84670011 is 11007648.

It is a happy number.

It is not a de Polignac number, because 84670011 - 2² = 84670007 is a prime.

It is a super-5 number, since 5×84670011⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84670031) 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, 35896 + ... + 38181.

Almost surely, 2^84670011 is an apocalyptic number.

84670011 is a deficient number, since it is larger than the sum of its proper divisors (38595781).

84670011 is a wasteful number, since it uses less digits than its factorization.

84670011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74210 (or 74207 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 84670011 is about 9201.6308880546. The cubic root of 84670011 is about 439.1132467976.

Adding to 84670011 its reverse (11007648), we get a palindrome (95677659).

The spelling of 84670011 in words is "eighty-four million, six hundred seventy thousand, eleven".