678614545416876 has 12 divisors (see below), whose sum is σ = 1583433939306072. Its totient is φ = 226204848472288.

The previous prime is 678614545416827. The next prime is 678614545416881.

678614545416876 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×678614545416876³ (a number of 45 digits) contains 333 as substring.

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, 28275606059025 + ... + 28275606059048.

It is an arithmetic number, because the mean of its divisors is an integer number (131952828275506).

Almost surely, 2^{678614545416876} is an apocalyptic number.

It is an amenable number.

678614545416876 is an abundant number, since it is smaller than the sum of its proper divisors (904819393889196).

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

678614545416876 is a wasteful number, since it uses less digits than its factorization.

678614545416876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56551212118080 (or 56551212118078 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 78.

The spelling of 678614545416876 in words is "six hundred seventy-eight trillion, six hundred fourteen billion, five hundred forty-five million, four hundred sixteen thousand, eight hundred seventy-six".