790000587889 has 4 divisors (see below), whose sum is σ = 836471210724. Its totient is φ = 743529965056.

The previous prime is 790000587869. The next prime is 790000587919. The reversal of 790000587889 is 988785000097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 616688237025 + 173312350864 = 785295^2 + 416308^2 .

It is not a de Polignac number, because 790000587889 - 2³⁹ = 240244774001 is a prime.

It is a super-2 number, since 2×790000587889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (790000587869) 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, 23235311392 + ... + 23235311425.

It is an arithmetic number, because the mean of its divisors is an integer number (209117802681).

Almost surely, 2^790000587889 is an apocalyptic number.

It is an amenable number.

790000587889 is a deficient number, since it is larger than the sum of its proper divisors (46470622835).

790000587889 is a wasteful number, since it uses less digits than its factorization.

790000587889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46470622834.

The product of its (nonzero) digits is 10160640, while the sum is 61.

The spelling of 790000587889 in words is "seven hundred ninety billion, five hundred eighty-seven thousand, eight hundred eighty-nine".