38478720102 has 8 divisors (see below), whose sum is σ = 76957440216. Its totient is φ = 12826240032.

The previous prime is 38478720097. The next prime is 38478720103. The reversal of 38478720102 is 20102787483.

It is a sphenic number, since it is the product of 3 distinct primes.

38478720102 is an admirable number.

It is a super-2 number, since 2×38478720102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38478720103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206560003 + ... + 3206560014.

It is an arithmetic number, because the mean of its divisors is an integer number (9619680027).

Almost surely, 2^38478720102 is an apocalyptic number.

38478720102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38478720102 is a wasteful number, since it uses less digits than its factorization.

38478720102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413120022.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 38478720102 in words is "thirty-eight billion, four hundred seventy-eight million, seven hundred twenty thousand, one hundred two".