90668277 has 48 divisors (see below), whose sum is σ = 159494400. Its totient is φ = 49519008.

The previous prime is 90668267. The next prime is 90668299. The reversal of 90668277 is 77286609.

It is a happy number.

It is not a de Polignac number, because 90668277 - 2¹⁵ = 90635509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90668257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70363 + ... + 71639.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^90668277 is an apocalyptic number.

It is an amenable number.

90668277 is a deficient number, since it is larger than the sum of its proper divisors (68826123).

90668277 is a wasteful number, since it uses less digits than its factorization.

90668277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 90668277 is about 9521.9891304286. The cubic root of 90668277 is about 449.2469330515.

The spelling of 90668277 in words is "ninety million, six hundred sixty-eight thousand, two hundred seventy-seven".