102982878 has 12 divisors (see below), whose sum is σ = 223129608. Its totient is φ = 34327620.

The previous prime is 102982871. The next prime is 102982883. The reversal of 102982878 is 878289201.

It is a happy number.

It is a super-2 number, since 2×102982878² = 21210946322325768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102982871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2860618 + ... + 2860653.

It is an arithmetic number, because the mean of its divisors is an integer number (18594134).

Almost surely, 2^102982878 is an apocalyptic number.

102982878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102982878 is an abundant number, since it is smaller than the sum of its proper divisors (120146730).

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

102982878 is a wasteful number, since it uses less digits than its factorization.

102982878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721279 (or 5721276 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 102982878 is about 10148.0479896382. The cubic root of 102982878 is about 468.7288391514.

The spelling of 102982878 in words is "one hundred two million, nine hundred eighty-two thousand, eight hundred seventy-eight".