885866657401 has 4 divisors (see below), whose sum is σ = 966399989904. Its totient is φ = 805333324900.

The previous prime is 885866657327. The next prime is 885866657407. The reversal of 885866657401 is 104756668588.

885866657401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 885866657401 - 2¹³ = 885866649209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885866657407) 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, 40266666235 + ... + 40266666256.

It is an arithmetic number, because the mean of its divisors is an integer number (241599997476).

Almost surely, 2^885866657401 is an apocalyptic number.

It is an amenable number.

885866657401 is a deficient number, since it is larger than the sum of its proper divisors (80533332503).

885866657401 is a wasteful number, since it uses less digits than its factorization.

885866657401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80533332502.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 885866657401 in words is "eight hundred eighty-five billion, eight hundred sixty-six million, six hundred fifty-seven thousand, four hundred one".