1197790088 has 64 divisors (see below), whose sum is σ = 2500485120. Its totient is φ = 533332800.

The previous prime is 1197790079. The next prime is 1197790091. The reversal of 1197790088 is 8800977911.

It is a super-2 number, since 2×1197790088² = 2869402189822095488, which contains 22 as substring.

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, 1314353 + ... + 1315263.

It is an arithmetic number, because the mean of its divisors is an integer number (39070080).

Almost surely, 2^1197790088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197790088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250242560).

1197790088 is an abundant number, since it is smaller than the sum of its proper divisors (1302695032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1197790088 is a wasteful number, since it uses less digits than its factorization.

1197790088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 50.

The square root of 1197790088 is about 34609.1041201589. The cubic root of 1197790088 is about 1062.0058400191.

The spelling of 1197790088 in words is "one billion, one hundred ninety-seven million, seven hundred ninety thousand, eighty-eight".