670207871578 has 16 divisors (see below), whose sum is σ = 1150624882944. Its totient is φ = 286807669200.

The previous prime is 670207871563. The next prime is 670207871581. The reversal of 670207871578 is 875178702076.

It is a super-2 number, since 2×670207871578² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35346498 + ... + 35365453.

It is an arithmetic number, because the mean of its divisors is an integer number (71914055184).

Almost surely, 2^670207871578 is an apocalyptic number.

670207871578 is a deficient number, since it is larger than the sum of its proper divisors (480417011366).

670207871578 is a wasteful number, since it uses less digits than its factorization.

670207871578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70712637.

The product of its (nonzero) digits is 9219840, while the sum is 58.

The spelling of 670207871578 in words is "six hundred seventy billion, two hundred seven million, eight hundred seventy-one thousand, five hundred seventy-eight".