83764454667 has 4 divisors (see below), whose sum is σ = 111685939560. Its totient is φ = 55842969776.

The previous prime is 83764454617. The next prime is 83764454689. The reversal of 83764454667 is 76645446738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83764454667 - 2¹⁵ = 83764421899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83764454667.

It is not an unprimeable number, because it can be changed into a prime (83764454617) 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, 13960742442 + ... + 13960742447.

It is an arithmetic number, because the mean of its divisors is an integer number (27921484890).

Almost surely, 2^83764454667 is an apocalyptic number.

83764454667 is a deficient number, since it is larger than the sum of its proper divisors (27921484893).

83764454667 is a wasteful number, since it uses less digits than its factorization.

83764454667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27921484892.

The product of its digits is 81285120, while the sum is 60.

The spelling of 83764454667 in words is "eighty-three billion, seven hundred sixty-four million, four hundred fifty-four thousand, six hundred sixty-seven".