38387752888277 has 4 divisors (see below), whose sum is σ = 41340656956620. Its totient is φ = 35434848819936.

The previous prime is 38387752888259. The next prime is 38387752888291. The reversal of 38387752888277 is 77288825778383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13349077942321 + 25038674945956 = 3653639^2 + 5003866^2 .

It is a cyclic number.

It is not a de Polignac number, because 38387752888277 - 2²⁴ = 38387736111061 is a prime.

It is a super-2 number, since 2×38387752888277² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38387752888195 and 38387752888204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387752888477) 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, 1476452034152 + ... + 1476452034177.

It is an arithmetic number, because the mean of its divisors is an integer number (10335164239155).

Almost surely, 2^{38387752888277} is an apocalyptic number.

It is an amenable number.

38387752888277 is a deficient number, since it is larger than the sum of its proper divisors (2952904068343).

38387752888277 is a wasteful number, since it uses less digits than its factorization.

38387752888277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952904068342.

The product of its digits is 14161674240, while the sum is 83.

The spelling of 38387752888277 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-two million, eight hundred eighty-eight thousand, two hundred seventy-seven".