38085779 has 4 divisors (see below), whose sum is σ = 38607576. Its totient is φ = 37563984.

The previous prime is 38085737. The next prime is 38085781. The reversal of 38085779 is 97758083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38085779 is a prime.

It is a super-3 number, since 3×38085779³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38081779) 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, 260789 + ... + 260934.

It is an arithmetic number, because the mean of its divisors is an integer number (9651894).

Almost surely, 2^38085779 is an apocalyptic number.

38085779 is a deficient number, since it is larger than the sum of its proper divisors (521797).

38085779 is an equidigital number, since it uses as much as digits as its factorization.

38085779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521796.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 38085779 is about 6171.3676766176. The cubic root of 38085779 is about 336.4503215257.

The spelling of 38085779 in words is "thirty-eight million, eighty-five thousand, seven hundred seventy-nine".