6861078102 has 16 divisors (see below), whose sum is σ = 13826907072. Its totient is φ = 2269567560.

The previous prime is 6861078101. The next prime is 6861078143. The reversal of 6861078102 is 2018701686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861078101) 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, 4363768 + ... + 4365339.

It is an arithmetic number, because the mean of its divisors is an integer number (864181692).

Almost surely, 2^6861078102 is an apocalyptic number.

6861078102 is an abundant number, since it is smaller than the sum of its proper divisors (6965828970).

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

6861078102 is a wasteful number, since it uses less digits than its factorization.

6861078102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729243.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 6861078102 is about 82831.6250112238. The cubic root of 6861078102 is about 1900.1918644658.

Adding to 6861078102 its reverse (2018701686), we get a palindrome (8879779788).

The spelling of 6861078102 in words is "six billion, eight hundred sixty-one million, seventy-eight thousand, one hundred two".