870641437672801 has 4 divisors (see below), whose sum is σ = 874476862508592. Its totient is φ = 866806012837012.

The previous prime is 870641437672777. The next prime is 870641437672987. The reversal of 870641437672801 is 108276734146078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 870641437672801 - 2³⁹ = 870091681858913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870641431672801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917712417555 + ... + 1917712418008.

It is an arithmetic number, because the mean of its divisors is an integer number (218619215627148).

Almost surely, 2^{870641437672801} is an apocalyptic number.

It is an amenable number.

870641437672801 is a deficient number, since it is larger than the sum of its proper divisors (3835424835791).

870641437672801 is a wasteful number, since it uses less digits than its factorization.

870641437672801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835424835790.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 870641437672801 in words is "eight hundred seventy trillion, six hundred forty-one billion, four hundred thirty-seven million, six hundred seventy-two thousand, eight hundred one".