888671800061 has 8 divisors (see below), whose sum is σ = 890159097048. Its totient is φ = 887184936000.

The previous prime is 888671800043. The next prime is 888671800087. The reversal of 888671800061 is 160008176888.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207634237561 + 681037562500 = 455669^2 + 825250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 888671800061 - 2²² = 888667605757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 888671799976 and 888671800012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888671800561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139591 + ... + 4348971.

It is an arithmetic number, because the mean of its divisors is an integer number (111269887131).

Almost surely, 2^888671800061 is an apocalyptic number.

It is an amenable number.

888671800061 is a deficient number, since it is larger than the sum of its proper divisors (1487296987).

888671800061 is a wasteful number, since it uses less digits than its factorization.

888671800061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216463.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The spelling of 888671800061 in words is "eight hundred eighty-eight billion, six hundred seventy-one million, eight hundred thousand, sixty-one".