90242232667 has 4 divisors (see below), whose sum is σ = 94991823880. Its totient is φ = 85492641456.

The previous prime is 90242232649. The next prime is 90242232671. The reversal of 90242232667 is 76623224209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90242232667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90242232607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374795578 + ... + 2374795615.

It is an arithmetic number, because the mean of its divisors is an integer number (23747955970).

Almost surely, 2^90242232667 is an apocalyptic number.

90242232667 is a deficient number, since it is larger than the sum of its proper divisors (4749591213).

90242232667 is a wasteful number, since it uses less digits than its factorization.

90242232667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749591212.

The product of its (nonzero) digits is 435456, while the sum is 43.

It can be divided in two parts, 902422 and 32667, that added together give a square (935089 = 967²).

The spelling of 90242232667 in words is "ninety billion, two hundred forty-two million, two hundred thirty-two thousand, six hundred sixty-seven".