890528377 has 2 divisors, whose sum is σ = 890528378. Its totient is φ = 890528376.

The previous prime is 890528339. The next prime is 890528417. The reversal of 890528377 is 773825098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867832681 + 22695696 = 29459^2 + 4764^2 .

It is a cyclic number.

It is not a de Polignac number, because 890528377 - 2¹⁵ = 890495609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890528377.

It is not a weakly prime, because it can be changed into another prime (890528777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445264188 + 445264189.

It is an arithmetic number, because the mean of its divisors is an integer number (445264189).

Almost surely, 2^890528377 is an apocalyptic number.

It is an amenable number.

890528377 is a deficient number, since it is larger than the sum of its proper divisors (1).

890528377 is an equidigital number, since it uses as much as digits as its factorization.

890528377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 890528377 is about 29841.7220850272. The cubic root of 890528377 is about 962.0904882299.

The spelling of 890528377 in words is "eight hundred ninety million, five hundred twenty-eight thousand, three hundred seventy-seven".