90595797 has 32 divisors (see below), whose sum is σ = 130289280. Its totient is φ = 55883520.

The previous prime is 90595793. The next prime is 90595807. The reversal of 90595797 is 79759509.

It is a happy number.

It is not a de Polignac number, because 90595797 - 2² = 90595793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90595793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228003 + ... + 228399.

It is an arithmetic number, because the mean of its divisors is an integer number (4071540).

Almost surely, 2^90595797 is an apocalyptic number.

It is an amenable number.

90595797 is a deficient number, since it is larger than the sum of its proper divisors (39693483).

90595797 is a wasteful number, since it uses less digits than its factorization.

90595797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 893025, while the sum is 51.

The square root of 90595797 is about 9518.1824420422. The cubic root of 90595797 is about 449.1271921706.

The spelling of 90595797 in words is "ninety million, five hundred ninety-five thousand, seven hundred ninety-seven".