90916847 has 8 divisors (see below), whose sum is σ = 106116096. Its totient is φ = 76270392.

The previous prime is 90916829. The next prime is 90916853. The reversal of 90916847 is 74861909.

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 90916847 - 2⁸ = 90916591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90916798 and 90916807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90916547) 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, 137843 + ... + 138500.

It is an arithmetic number, because the mean of its divisors is an integer number (13264512).

Almost surely, 2^90916847 is an apocalyptic number.

90916847 is a deficient number, since it is larger than the sum of its proper divisors (15199249).

90916847 is a wasteful number, since it uses less digits than its factorization.

90916847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276397.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 90916847 is about 9535.0326166196. The cubic root of 90916847 is about 449.6571000936.

The spelling of 90916847 in words is "ninety million, nine hundred sixteen thousand, eight hundred forty-seven".