670403340078 has 32 divisors (see below), whose sum is σ = 1342487139840. Its totient is φ = 223187808480.

The previous prime is 670403340077. The next prime is 670403340109. The reversal of 670403340078 is 870043304076.

670403340078 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670403340077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34692103 + ... + 34711421.

It is an arithmetic number, because the mean of its divisors is an integer number (41952723120).

Almost surely, 2^670403340078 is an apocalyptic number.

670403340078 is an abundant number, since it is smaller than the sum of its proper divisors (672083799762).

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

670403340078 is a wasteful number, since it uses less digits than its factorization.

670403340078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26272.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 670403340078 in words is "six hundred seventy billion, four hundred three million, three hundred forty thousand, seventy-eight".