9770553798 has 16 divisors (see below), whose sum is σ = 19548606000. Its totient is φ = 3255601536.

The previous prime is 9770553757. The next prime is 9770553799. The reversal of 9770553798 is 8973550779.

9770553798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9770553798² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770553799) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 295423 + ... + 326826.

It is an arithmetic number, because the mean of its divisors is an integer number (1221787875).

Almost surely, 2^9770553798 is an apocalyptic number.

9770553798 is an abundant number, since it is smaller than the sum of its proper divisors (9778052202).

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

9770553798 is a wasteful number, since it uses less digits than its factorization.

9770553798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624871.

The product of its (nonzero) digits is 16669800, while the sum is 60.

The square root of 9770553798 is about 98846.1116989434. Note that the first 3 decimals coincide. The cubic root of 9770553798 is about 2137.8294729088.

The spelling of 9770553798 in words is "nine billion, seven hundred seventy million, five hundred fifty-three thousand, seven hundred ninety-eight".