678896001 has 48 divisors (see below), whose sum is σ = 1165132800. Its totient is φ = 372746880.

The previous prime is 678895993. The next prime is 678896033. The reversal of 678896001 is 100698876.

It is a happy number.

It is not a de Polignac number, because 678896001 - 2³ = 678895993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678896041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289831 + ... + 292163.

It is an arithmetic number, because the mean of its divisors is an integer number (24273600).

Almost surely, 2^678896001 is an apocalyptic number.

It is an amenable number.

678896001 is a deficient number, since it is larger than the sum of its proper divisors (486236799).

678896001 is a wasteful number, since it uses less digits than its factorization.

678896001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 678896001 is about 26055.6328075140. The cubic root of 678896001 is about 878.8897849362.

The spelling of 678896001 in words is "six hundred seventy-eight million, eight hundred ninety-six thousand, one".