8394915980 has 48 divisors (see below), whose sum is σ = 19422456480. Its totient is φ = 3022464000.

The previous prime is 8394915967. The next prime is 8394916001. The reversal of 8394915980 is 895194938.

It is a super-2 number, since 2×8394915980² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166685 + ... + 211124.

It is an arithmetic number, because the mean of its divisors is an integer number (404634510).

Almost surely, 2^8394915980 is an apocalyptic number.

It is an amenable number.

8394915980 is an abundant number, since it is smaller than the sum of its proper divisors (11027540500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8394915980 is a wasteful number, since it uses less digits than its factorization.

8394915980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377930 (or 377928 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 56.

The square root of 8394915980 is about 91623.7740982110. The cubic root of 8394915980 is about 2032.3825213869.

The spelling of 8394915980 in words is "eight billion, three hundred ninety-four million, nine hundred fifteen thousand, nine hundred eighty".