88684821678674 has 24 divisors (see below), whose sum is σ = 143667087450852. Its totient is φ = 40815501534720.

The previous prime is 88684821678631. The next prime is 88684821678721. The reversal of 88684821678674 is 47687612848688.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 38277051054025 + 50407770624649 = 6186845^2 + 7099843^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88684821678592 and 88684821678601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10446797 + ... + 16926464.

Almost surely, 2^{88684821678674} is an apocalyptic number.

88684821678674 is a deficient number, since it is larger than the sum of its proper divisors (54982265772178).

88684821678674 is a wasteful number, since it uses less digits than its factorization.

88684821678674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27373982 (or 27373629 counting only the distinct ones).

The product of its digits is 11098128384, while the sum is 83.

The spelling of 88684821678674 in words is "eighty-eight trillion, six hundred eighty-four billion, eight hundred twenty-one million, six hundred seventy-eight thousand, six hundred seventy-four".