90712111 has 8 divisors (see below), whose sum is σ = 104920704. Its totient is φ = 76815960.

The previous prime is 90712109. The next prime is 90712117. The reversal of 90712111 is 11121709.

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 90712111 - 2¹ = 90712109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90712117) 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, 77485 + ... + 78646.

It is an arithmetic number, because the mean of its divisors is an integer number (13115088).

Almost surely, 2^90712111 is an apocalyptic number.

90712111 is a deficient number, since it is larger than the sum of its proper divisors (14208593).

90712111 is a wasteful number, since it uses less digits than its factorization.

90712111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156221.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 90712111 is about 9524.2905772556. The cubic root of 90712111 is about 449.3193182272.

The spelling of 90712111 in words is "ninety million, seven hundred twelve thousand, one hundred eleven".