100627778280 has 32 divisors (see below), whose sum is σ = 301883335200. Its totient is φ = 26834074176.

The previous prime is 100627778219. The next prime is 100627778287. The reversal of 100627778280 is 82877726001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100627778287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419282290 + ... + 419282529.

It is an arithmetic number, because the mean of its divisors is an integer number (9433854225).

Almost surely, 2^100627778280 is an apocalyptic number.

100627778280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100627778280 is an abundant number, since it is smaller than the sum of its proper divisors (201255556920).

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

100627778280 is a wasteful number, since it uses less digits than its factorization.

100627778280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838564833 (or 838564829 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 100627778280 in words is "one hundred billion, six hundred twenty-seven million, seven hundred seventy-eight thousand, two hundred eighty".