770193198 has 80 divisors (see below), whose sum is σ = 1785175920. Its totient is φ = 248054400.

The previous prime is 770193131. The next prime is 770193209. The reversal of 770193198 is 891391077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 582378 + ... + 583698.

It is an arithmetic number, because the mean of its divisors is an integer number (22314699).

Almost surely, 2^770193198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770193198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892587960).

770193198 is an abundant number, since it is smaller than the sum of its proper divisors (1014982722).

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

770193198 is a wasteful number, since it uses less digits than its factorization.

770193198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 770193198 is about 27752.3548190059. The cubic root of 770193198 is about 916.6422964467.

The spelling of 770193198 in words is "seven hundred seventy million, one hundred ninety-three thousand, one hundred ninety-eight".