90668095 has 16 divisors (see below), whose sum is σ = 130890240. Its totient is φ = 58899744.

The previous prime is 90668077. The next prime is 90668099. The reversal of 90668095 is 59086609.

It is a cyclic number.

It is not a de Polignac number, because 90668095 - 2¹⁵ = 90635327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90668099) 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, 67507 + ... + 68836.

It is an arithmetic number, because the mean of its divisors is an integer number (8180640).

Almost surely, 2^90668095 is an apocalyptic number.

90668095 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90668095 is a deficient number, since it is larger than the sum of its proper divisors (40222145).

90668095 is a wasteful number, since it uses less digits than its factorization.

90668095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136374.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 90668095 is about 9521.9795735971. The cubic root of 90668095 is about 449.2466324576.

It can be divided in two parts, 9066 and 8095, that added together give a square (17161 = 131²).

The spelling of 90668095 in words is "ninety million, six hundred sixty-eight thousand, ninety-five".