90695128 has 8 divisors (see below), whose sum is σ = 170053380. Its totient is φ = 45347560.

The previous prime is 90695123. The next prime is 90695161. The reversal of 90695128 is 82159609.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90695123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5668438 + ... + 5668453.

Almost surely, 2^90695128 is an apocalyptic number.

It is an amenable number.

90695128 is a deficient number, since it is larger than the sum of its proper divisors (79358252).

90695128 is a wasteful number, since it uses less digits than its factorization.

90695128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336897 (or 11336893 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 90695128 is about 9523.3989730558. The cubic root of 90695128 is about 449.2912761567.

The spelling of 90695128 in words is "ninety million, six hundred ninety-five thousand, one hundred twenty-eight".