387165488100 has 72 divisors (see below), whose sum is σ = 1122426285120. Its totient is φ = 103038833280.

The previous prime is 387165488057. The next prime is 387165488113. The reversal of 387165488100 is 1884561783.

It is a happy number.

It is a super-2 number, since 2×387165488100² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131955 + ... + 1433754.

It is an arithmetic number, because the mean of its divisors is an integer number (15589253960).

Almost surely, 2^387165488100 is an apocalyptic number.

387165488100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387165488100 is an abundant number, since it is smaller than the sum of its proper divisors (735260797020).

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

387165488100 is a wasteful number, since it uses less digits than its factorization.

387165488100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566229 (or 2566222 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 387165488100 in words is "three hundred eighty-seven billion, one hundred sixty-five million, four hundred eighty-eight thousand, one hundred".