8372124479 has 4 divisors (see below), whose sum is σ = 8395445520. Its totient is φ = 8348803440.

The previous prime is 8372124433. The next prime is 8372124491. The reversal of 8372124479 is 9744212738.

It is a happy number.

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 8372124479 - 2¹⁶ = 8372058943 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 (8372124779) 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, 11659982 + ... + 11660699.

It is an arithmetic number, because the mean of its divisors is an integer number (2098861380).

Almost surely, 2^8372124479 is an apocalyptic number.

8372124479 is a deficient number, since it is larger than the sum of its proper divisors (23321041).

8372124479 is a wasteful number, since it uses less digits than its factorization.

8372124479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23321040.

The product of its digits is 677376, while the sum is 47.

The square root of 8372124479 is about 91499.3140903253. The cubic root of 8372124479 is about 2030.5416043768.

The spelling of 8372124479 in words is "eight billion, three hundred seventy-two million, one hundred twenty-four thousand, four hundred seventy-nine".