8349764437 has 4 divisors (see below), whose sum is σ = 9542587936. Its totient is φ = 7156940940.

The previous prime is 8349764417. The next prime is 8349764443. The reversal of 8349764437 is 7344679438.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7344679438 = 2 ⋅3672339719.

It is a cyclic number.

It is not a de Polignac number, because 8349764437 - 2²³ = 8341375829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8349764417) 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, 596411739 + ... + 596411752.

It is an arithmetic number, because the mean of its divisors is an integer number (2385646984).

Almost surely, 2^8349764437 is an apocalyptic number.

It is an amenable number.

8349764437 is a deficient number, since it is larger than the sum of its proper divisors (1192823499).

8349764437 is a wasteful number, since it uses less digits than its factorization.

8349764437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192823498.

The product of its digits is 12192768, while the sum is 55.

The square root of 8349764437 is about 91377.0454600060. The cubic root of 8349764437 is about 2028.7322875934.

The spelling of 8349764437 in words is "eight billion, three hundred forty-nine million, seven hundred sixty-four thousand, four hundred thirty-seven".