671407088698 has 16 divisors (see below), whose sum is σ = 1009731963240. Its totient is φ = 334830816000.

The previous prime is 671407088689. The next prime is 671407088731. The reversal of 671407088698 is 896880704176.

671407088698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 479302828489 + 192104260209 = 692317^2 + 438297^2 .

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, 1023678 + ... + 1546198.

Almost surely, 2^671407088698 is an apocalyptic number.

671407088698 is a deficient number, since it is larger than the sum of its proper divisors (338324874542).

671407088698 is a wasteful number, since it uses less digits than its factorization.

671407088698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524193.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 671407088698 in words is "six hundred seventy-one billion, four hundred seven million, eighty-eight thousand, six hundred ninety-eight".