215828497676 has 12 divisors (see below), whose sum is σ = 412036222920. Its totient is φ = 98103862560.

The previous prime is 215828497639. The next prime is 215828497697. The reversal of 215828497676 is 676794828512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452596521 + ... + 2452596608.

It is an arithmetic number, because the mean of its divisors is an integer number (34336351910).

Almost surely, 2^215828497676 is an apocalyptic number.

It is an amenable number.

215828497676 is a deficient number, since it is larger than the sum of its proper divisors (196207725244).

215828497676 is a wasteful number, since it uses less digits than its factorization.

215828497676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905193144 (or 4905193142 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 65.

The spelling of 215828497676 in words is "two hundred fifteen billion, eight hundred twenty-eight million, four hundred ninety-seven thousand, six hundred seventy-six".