863154916 has 12 divisors (see below), whose sum is σ = 1626715132. Its totient is φ = 398379168.

The previous prime is 863154913. The next prime is 863154949. The reversal of 863154916 is 619451368.

It can be written as a sum of positive squares in 2 ways, for example, as 524226816 + 338928100 = 22896^2 + 18410^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (863154911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8299515 + ... + 8299618.

Almost surely, 2^863154916 is an apocalyptic number.

It is an amenable number.

863154916 is a deficient number, since it is larger than the sum of its proper divisors (763560216).

863154916 is a wasteful number, since it uses less digits than its factorization.

863154916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599150 (or 16599148 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 863154916 is about 29379.4982258037. The cubic root of 863154916 is about 952.1300004307.

The spelling of 863154916 in words is "eight hundred sixty-three million, one hundred fifty-four thousand, nine hundred sixteen".