38787378163201 has 4 divisors (see below), whose sum is σ = 39689410213552. Its totient is φ = 37885346112852.

The previous prime is 38787378163189. The next prime is 38787378163207. The reversal of 38787378163201 is 10236187378783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38787378163201 - 2⁷ = 38787378163073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38787378163207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451016025111 + ... + 451016025196.

It is an arithmetic number, because the mean of its divisors is an integer number (9922352553388).

Almost surely, 2^{38787378163201} is an apocalyptic number.

It is an amenable number.

38787378163201 is a deficient number, since it is larger than the sum of its proper divisors (902032050351).

38787378163201 is an equidigital number, since it uses as much as digits as its factorization.

38787378163201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902032050350.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 38787378163201 in words is "thirty-eight trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, one hundred sixty-three thousand, two hundred one".