84117434501 has 4 divisors (see below), whose sum is σ = 86073653952. Its totient is φ = 82161215052.

The previous prime is 84117434483. The next prime is 84117434507. The reversal of 84117434501 is 10543471148.

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 84117434501 - 2¹⁸ = 84117172357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84117434507) 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, 978109661 + ... + 978109746.

It is an arithmetic number, because the mean of its divisors is an integer number (21518413488).

Almost surely, 2^84117434501 is an apocalyptic number.

It is an amenable number.

84117434501 is a deficient number, since it is larger than the sum of its proper divisors (1956219451).

84117434501 is a wasteful number, since it uses less digits than its factorization.

84117434501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956219450.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 84117434501 in words is "eighty-four billion, one hundred seventeen million, four hundred thirty-four thousand, five hundred one".