90199007 has 8 divisors (see below), whose sum is σ = 92816976. Its totient is φ = 87590592.

The previous prime is 90199003. The next prime is 90199009. The reversal of 90199007 is 70099109.

It is a happy number.

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 90199007 - 2² = 90199003 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 (90199001) 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, 19643 + ... + 23795.

It is an arithmetic number, because the mean of its divisors is an integer number (11602122).

Almost surely, 2^90199007 is an apocalyptic number.

90199007 is a deficient number, since it is larger than the sum of its proper divisors (2617969).

90199007 is a wasteful number, since it uses less digits than its factorization.

90199007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 90199007 is about 9497.3157786819. The cubic root of 90199007 is about 448.4705392428.

The spelling of 90199007 in words is "ninety million, one hundred ninety-nine thousand, seven".