90802715 has 8 divisors (see below), whose sum is σ = 109253040. Its totient is φ = 72448992.

The previous prime is 90802687. The next prime is 90802717. The reversal of 90802715 is 51720809.

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 90802715 - 2⁶ = 90802651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90802717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22064 + ... + 25853.

It is an arithmetic number, because the mean of its divisors is an integer number (13656630).

Almost surely, 2^90802715 is an apocalyptic number.

90802715 is a deficient number, since it is larger than the sum of its proper divisors (18450325).

90802715 is a wasteful number, since it uses less digits than its factorization.

90802715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48301.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 90802715 is about 9529.0458598959. The cubic root of 90802715 is about 449.4688630553.

The spelling of 90802715 in words is "ninety million, eight hundred two thousand, seven hundred fifteen".