90119770 has 32 divisors (see below), whose sum is σ = 175271040. Its totient is φ = 33165120.

The previous prime is 90119749. The next prime is 90119789. The reversal of 90119770 is 7791109.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45705 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^90119770 is an apocalyptic number.

90119770 is a deficient number, since it is larger than the sum of its proper divisors (85151270).

90119770 is a wasteful number, since it uses less digits than its factorization.

90119770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 90119770 is about 9493.1433150459. The cubic root of 90119770 is about 448.3391783333.

It can be divided in two parts, 9011 and 9770, that added together give a palindrome (18781).

The spelling of 90119770 in words is "ninety million, one hundred nineteen thousand, seven hundred seventy".