7081868254 has 16 divisors (see below), whose sum is σ = 10885583520. Its totient is φ = 3453399040.

The previous prime is 7081868251. The next prime is 7081868257. The reversal of 7081868254 is 4528681807.

It is an interprime number because it is at equal distance from previous prime (7081868251) and next prime (7081868257).

It is a junction number, because it is equal to n+sod(n) for n = 7081868198 and 7081868207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081868251) 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, 260007 + ... + 285949.

It is an arithmetic number, because the mean of its divisors is an integer number (680348970).

Almost surely, 2^7081868254 is an apocalyptic number.

7081868254 is a deficient number, since it is larger than the sum of its proper divisors (3803715266).

7081868254 is a wasteful number, since it uses less digits than its factorization.

7081868254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29315.

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 7081868254 is about 84153.8368346922. The cubic root of 7081868254 is about 1920.3598368900.

The spelling of 7081868254 in words is "seven billion, eighty-one million, eight hundred sixty-eight thousand, two hundred fifty-four".