90699058 has 4 divisors (see below), whose sum is σ = 136048590. Its totient is φ = 45349528.

The previous prime is 90699047. The next prime is 90699061. The reversal of 90699058 is 85099609.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50083929 + 40615129 = 7077^2 + 6373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90698999 and 90699017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22674763 + ... + 22674766.

Almost surely, 2^90699058 is an apocalyptic number.

90699058 is a deficient number, since it is larger than the sum of its proper divisors (45349532).

90699058 is a wasteful number, since it uses less digits than its factorization.

90699058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45349531.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 90699058 is about 9523.6053047152. The cubic root of 90699058 is about 449.2977656240.

The spelling of 90699058 in words is "ninety million, six hundred ninety-nine thousand, fifty-eight".