1097495798 has 8 divisors (see below), whose sum is σ = 1881421392. Its totient is φ = 470355336.

The previous prime is 1097495779. The next prime is 1097495801. The reversal of 1097495798 is 8975947901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39196265 + ... + 39196292.

It is an arithmetic number, because the mean of its divisors is an integer number (235177674).

Almost surely, 2^1097495798 is an apocalyptic number.

1097495798 is a deficient number, since it is larger than the sum of its proper divisors (783925594).

1097495798 is an equidigital number, since it uses as much as digits as its factorization.

1097495798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78392566.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The square root of 1097495798 is about 33128.4741272519. The cubic root of 1097495798 is about 1031.4961754357.

The spelling of 1097495798 in words is "one billion, ninety-seven million, four hundred ninety-five thousand, seven hundred ninety-eight".