90026765457 has 8 divisors (see below), whose sum is σ = 120459842784. Its totient is φ = 59805765888.

The previous prime is 90026765431. The next prime is 90026765461. The reversal of 90026765457 is 75456762009.

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

It is not a de Polignac number, because 90026765457 - 2¹⁰ = 90026764433 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90026765557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53018448 + ... + 53020145.

It is an arithmetic number, because the mean of its divisors is an integer number (15057480348).

Almost surely, 2^90026765457 is an apocalyptic number.

It is an amenable number.

90026765457 is a deficient number, since it is larger than the sum of its proper divisors (30433077327).

90026765457 is a wasteful number, since it uses less digits than its factorization.

90026765457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106038879.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 90026765457 in words is "ninety billion, twenty-six million, seven hundred sixty-five thousand, four hundred fifty-seven".