8378890508 has 6 divisors (see below), whose sum is σ = 14663058396. Its totient is φ = 4189445252.

The previous prime is 8378890477. The next prime is 8378890523. The reversal of 8378890508 is 8050988738.

It is a super-2 number, since 2×8378890508² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047361310 + ... + 1047361317.

It is an arithmetic number, because the mean of its divisors is an integer number (2443843066).

Almost surely, 2^8378890508 is an apocalyptic number.

It is an amenable number.

8378890508 is a deficient number, since it is larger than the sum of its proper divisors (6284167888).

8378890508 is a wasteful number, since it uses less digits than its factorization.

8378890508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094722631 (or 2094722629 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 8378890508 is about 91536.2797365067. The cubic root of 8378890508 is about 2031.0884589633.

The spelling of 8378890508 in words is "eight billion, three hundred seventy-eight million, eight hundred ninety thousand, five hundred eight".