102930637788 has 144 divisors (see below), whose sum is σ = 295468565280. Its totient is φ = 30962891520.

The previous prime is 102930637787. The next prime is 102930637793. The reversal of 102930637788 is 887736039201.

102930637788 is a `hidden beast` number, since 102 + 93 + 0 + 6 + 377 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102930637787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1761570 + ... + 1819062.

Almost surely, 2^102930637788 is an apocalyptic number.

102930637788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102930637788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147734282640).

102930637788 is an abundant number, since it is smaller than the sum of its proper divisors (192537927492).

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

102930637788 is a wasteful number, since it uses less digits than its factorization.

102930637788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57665 (or 57646 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 102930637788 in words is "one hundred two billion, nine hundred thirty million, six hundred thirty-seven thousand, seven hundred eighty-eight".