90611457 has 8 divisors (see below), whose sum is σ = 124981440. Its totient is φ = 58324560.

The previous prime is 90611453. The next prime is 90611471. The reversal of 90611457 is 75411609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90611457 - 2² = 90611453 is a prime.

It is a super-2 number, since 2×90611457² = 16420872279325698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90611453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520669 + ... + 520842.

It is an arithmetic number, because the mean of its divisors is an integer number (15622680).

Almost surely, 2^90611457 is an apocalyptic number.

It is an amenable number.

90611457 is a deficient number, since it is larger than the sum of its proper divisors (34369983).

90611457 is a wasteful number, since it uses less digits than its factorization.

90611457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041543.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 90611457 is about 9519.0050425452. The cubic root of 90611457 is about 449.1530687449.

The spelling of 90611457 in words is "ninety million, six hundred eleven thousand, four hundred fifty-seven".