890047023730 has 32 divisors (see below), whose sum is σ = 1611113300784. Its totient is φ = 354014109696.

The previous prime is 890047023727. The next prime is 890047023737. The reversal of 890047023730 is 37320740098.

It can be written as a sum of positive squares in 8 ways, for example, as 657991901889 + 232055121841 = 811167^2 + 481721^2 .

It is a super-2 number, since 2×890047023730² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (890047023737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4214334 + ... + 4420486.

Almost surely, 2^890047023730 is an apocalyptic number.

890047023730 is a deficient number, since it is larger than the sum of its proper divisors (721066277054).

890047023730 is a wasteful number, since it uses less digits than its factorization.

890047023730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208590.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 890047023730 in words is "eight hundred ninety billion, forty-seven million, twenty-three thousand, seven hundred thirty".