97081798 has 16 divisors (see below), whose sum is σ = 168206544. Its totient is φ = 41532160.

The previous prime is 97081783. The next prime is 97081799. The reversal of 97081798 is 89718079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97081799) 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, 129415 + ... + 130162.

It is an arithmetic number, because the mean of its divisors is an integer number (10512909).

Almost surely, 2^97081798 is an apocalyptic number.

97081798 is a deficient number, since it is larger than the sum of its proper divisors (71124746).

97081798 is a wasteful number, since it uses less digits than its factorization.

97081798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259607.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 97081798 is about 9853.0095909828. The cubic root of 97081798 is about 459.5992066598.

It can be divided in two parts, 97081 and 798, that added together give a palindrome (97879).

The spelling of 97081798 in words is "ninety-seven million, eighty-one thousand, seven hundred ninety-eight".