8117770698 has 16 divisors (see below), whose sum is σ = 18039490560. Its totient is φ = 2705923548.

The previous prime is 8117770693. The next prime is 8117770699. The reversal of 8117770698 is 8960777118.

It is a super-2 number, since 2×8117770698² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 150329087 = 8117770698 / (8 + 1 + 1 + 7 + 7 + 7 + 0 + 6 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (8117770693) 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, 75164490 + ... + 75164597.

It is an arithmetic number, because the mean of its divisors is an integer number (1127468160).

Almost surely, 2^8117770698 is an apocalyptic number.

8117770698 is an abundant number, since it is smaller than the sum of its proper divisors (9921719862).

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

8117770698 is a wasteful number, since it uses less digits than its factorization.

8117770698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150329098 (or 150329092 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The square root of 8117770698 is about 90098.6720101911. The cubic root of 8117770698 is about 2009.7664553780.

The spelling of 8117770698 in words is "eight billion, one hundred seventeen million, seven hundred seventy thousand, six hundred ninety-eight".