8121876462 has 48 divisors (see below), whose sum is σ = 20246335200. Its totient is φ = 2304956736.

The previous prime is 8121876443. The next prime is 8121876523. The reversal of 8121876462 is 2646781218.

8121876462 is a `hidden beast` number, since 8 + 1 + 2 + 187 + 6 + 462 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197533 + ... + 235080.

It is an arithmetic number, because the mean of its divisors is an integer number (421798650).

Almost surely, 2^8121876462 is an apocalyptic number.

8121876462 is an abundant number, since it is smaller than the sum of its proper divisors (12124458738).

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

8121876462 is a wasteful number, since it uses less digits than its factorization.

8121876462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432777 (or 432774 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8121876462 is about 90121.4539496562. The cubic root of 8121876462 is about 2010.1052280248.

The spelling of 8121876462 in words is "eight billion, one hundred twenty-one million, eight hundred seventy-six thousand, four hundred sixty-two".