38912765285 has 8 divisors (see below), whose sum is σ = 47460815736. Its totient is φ = 30619880640.

The previous prime is 38912765273. The next prime is 38912765291. The reversal of 38912765285 is 58256721983.

It is a happy number.

38912765285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 321341476 + 38591423809 = 17926^2 + 196447^2 .

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

It is not a de Polignac number, because 38912765285 - 2²⁴ = 38895988069 is a prime.

It is a super-2 number, since 2×38912765285² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38912765285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63791114 + ... + 63791723.

It is an arithmetic number, because the mean of its divisors is an integer number (5932601967).

Almost surely, 2^38912765285 is an apocalyptic number.

It is an amenable number.

38912765285 is a deficient number, since it is larger than the sum of its proper divisors (8548050451).

38912765285 is a wasteful number, since it uses less digits than its factorization.

38912765285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127582903.

The product of its digits is 7257600, while the sum is 56.

The spelling of 38912765285 in words is "thirty-eight billion, nine hundred twelve million, seven hundred sixty-five thousand, two hundred eighty-five".