88068650781 has 8 divisors (see below), whose sum is σ = 117438647040. Its totient is φ = 58705544192.

The previous prime is 88068650743. The next prime is 88068650819. The reversal of 88068650781 is 18705686088.

It is an interprime number because it is at equal distance from previous prime (88068650743) and next prime (88068650819).

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 88068650781 - 2⁷ = 88068650653 is a prime.

It is a super-2 number, since 2×88068650781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88068650731) 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, 1692516 + ... + 1743773.

It is an arithmetic number, because the mean of its divisors is an integer number (14679830880).

Almost surely, 2^88068650781 is an apocalyptic number.

It is an amenable number.

88068650781 is a deficient number, since it is larger than the sum of its proper divisors (29369996259).

88068650781 is a wasteful number, since it uses less digits than its factorization.

88068650781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444835.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 88068650781 in words is "eighty-eight billion, sixty-eight million, six hundred fifty thousand, seven hundred eighty-one".