90748279 has 8 divisors (see below), whose sum is σ = 94192560. Its totient is φ = 87325056.

The previous prime is 90748267. The next prime is 90748283. The reversal of 90748279 is 97284709.

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

It is a cyclic number.

It is not a de Polignac number, because 90748279 - 2¹¹ = 90746231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90748219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (11774070).

Almost surely, 2^90748279 is an apocalyptic number.

90748279 is a deficient number, since it is larger than the sum of its proper divisors (3444281).

90748279 is a wasteful number, since it uses less digits than its factorization.

90748279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 90748279 is about 9526.1891121266. The cubic root of 90748279 is about 449.3790266152.

The spelling of 90748279 in words is "ninety million, seven hundred forty-eight thousand, two hundred seventy-nine".