8378463770 has 16 divisors (see below), whose sum is σ = 15968366568. Its totient is φ = 3154245120.

The previous prime is 8378463707. The next prime is 8378463773. The reversal of 8378463770 is 773648738.

It can be written as a sum of positive squares in 4 ways, for example, as 8331855841 + 46607929 = 91279^2 + 6827^2 .

It is a super-2 number, since 2×8378463770² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8378463773) 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, 24642371 + ... + 24642710.

Almost surely, 2^8378463770 is an apocalyptic number.

8378463770 is a deficient number, since it is larger than the sum of its proper divisors (7589902798).

8378463770 is a wasteful number, since it uses less digits than its factorization.

8378463770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285105.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The square root of 8378463770 is about 91533.9487294195. The cubic root of 8378463770 is about 2031.0539771768.

The spelling of 8378463770 in words is "eight billion, three hundred seventy-eight million, four hundred sixty-three thousand, seven hundred seventy".