90127223949 has 24 divisors (see below), whose sum is σ = 141875584608. Its totient is φ = 50732589600.

The previous prime is 90127223947. The next prime is 90127223951. The reversal of 90127223949 is 94932272109.

It is an interprime number because it is at equal distance from previous prime (90127223947) and next prime (90127223951).

It is not a de Polignac number, because 90127223949 - 2¹ = 90127223947 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 90127223898 and 90127223907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90127223947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4565602 + ... + 4585299.

It is an arithmetic number, because the mean of its divisors is an integer number (5911482692).

Almost surely, 2^90127223949 is an apocalyptic number.

It is an amenable number.

90127223949 is a deficient number, since it is larger than the sum of its proper divisors (51748360659).

90127223949 is a wasteful number, since it uses less digits than its factorization.

90127223949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150985 (or 9150978 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 90127223949 in words is "ninety billion, one hundred twenty-seven million, two hundred twenty-three thousand, nine hundred forty-nine".