90527478266 has 16 divisors (see below), whose sum is σ = 139014278568. Its totient is φ = 44201664000.

The previous prime is 90527478257. The next prime is 90527478269. The reversal of 90527478266 is 66287472509.

It can be written as a sum of positive squares in 4 ways, for example, as 90342926041 + 184552225 = 300571^2 + 13585^2 .

It is a super-2 number, since 2×90527478266² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90527478269) 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, 3054815 + ... + 3084306.

Almost surely, 2^90527478266 is an apocalyptic number.

90527478266 is a deficient number, since it is larger than the sum of its proper divisors (48486800302).

90527478266 is a wasteful number, since it uses less digits than its factorization.

90527478266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139297.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 90527478266 in words is "ninety billion, five hundred twenty-seven million, four hundred seventy-eight thousand, two hundred sixty-six".