890026771145 has 8 divisors (see below), whose sum is σ = 1068066743040. Its totient is φ = 711998338480.

The previous prime is 890026771121. The next prime is 890026771159. The reversal of 890026771145 is 541177620098.

It is a happy number.

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

It is not a de Polignac number, because 890026771145 - 2²⁸ = 889758335689 is a prime.

It is a super-2 number, since 2×890026771145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 890026771093 and 890026771102.

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, 2714201 + ... + 3024390.

It is an arithmetic number, because the mean of its divisors is an integer number (133508342880).

Almost surely, 2^890026771145 is an apocalyptic number.

It is an amenable number.

890026771145 is a deficient number, since it is larger than the sum of its proper divisors (178039971895).

890026771145 is a wasteful number, since it uses less digits than its factorization.

890026771145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769615.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 890026771145 in words is "eight hundred ninety billion, twenty-six million, seven hundred seventy-one thousand, one hundred forty-five".