8378463769 has 8 divisors (see below), whose sum is σ = 9028830272. Its totient is φ = 7728935760.

The previous prime is 8378463707. The next prime is 8378463773. The reversal of 8378463769 is 9673648738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8378463769 - 2²¹ = 8376366617 is a prime.

It is a super-2 number, since 2×8378463769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8378461769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188787 + ... + 228904.

It is an arithmetic number, because the mean of its divisors is an integer number (1128603784).

Almost surely, 2^8378463769 is an apocalyptic number.

It is an amenable number.

8378463769 is a deficient number, since it is larger than the sum of its proper divisors (650366503).

8378463769 is a wasteful number, since it uses less digits than its factorization.

8378463769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419247.

The product of its digits is 36578304, while the sum is 61.

The square root of 8378463769 is about 91533.9487239571. The cubic root of 8378463769 is about 2031.0539770960.

The spelling of 8378463769 in words is "eight billion, three hundred seventy-eight million, four hundred sixty-three thousand, seven hundred sixty-nine".