90279022463 has 4 divisors (see below), whose sum is σ = 103176025680. Its totient is φ = 77382019248.

The previous prime is 90279022459. The next prime is 90279022469. The reversal of 90279022463 is 36422097209.

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

It is a cyclic number.

It is not a de Polignac number, because 90279022463 - 2² = 90279022459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90279022469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6448501598 + ... + 6448501611.

It is an arithmetic number, because the mean of its divisors is an integer number (25794006420).

Almost surely, 2^90279022463 is an apocalyptic number.

90279022463 is a deficient number, since it is larger than the sum of its proper divisors (12897003217).

90279022463 is a wasteful number, since it uses less digits than its factorization.

90279022463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897003216.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 90279022463 in words is "ninety billion, two hundred seventy-nine million, twenty-two thousand, four hundred sixty-three".