84641137 has 4 divisors (see below), whose sum is σ = 96732736. Its totient is φ = 72549540.

The previous prime is 84641107. The next prime is 84641149. The reversal of 84641137 is 73114648.

It is a happy number.

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 not a de Polignac number, because 84641137 - 2⁷ = 84641009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84641107) 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, 6045789 + ... + 6045802.

It is an arithmetic number, because the mean of its divisors is an integer number (24183184).

Almost surely, 2^84641137 is an apocalyptic number.

It is an amenable number.

84641137 is a deficient number, since it is larger than the sum of its proper divisors (12091599).

84641137 is a wasteful number, since it uses less digits than its factorization.

84641137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12091598.

The product of its digits is 16128, while the sum is 34.

The square root of 84641137 is about 9200.0617932707. The cubic root of 84641137 is about 439.0633259450.

The spelling of 84641137 in words is "eighty-four million, six hundred forty-one thousand, one hundred thirty-seven".