38091777146 has 8 divisors (see below), whose sum is σ = 57156919380. Its totient is φ = 19039470688.

The previous prime is 38091777127. The next prime is 38091777193. The reversal of 38091777146 is 64177719083.

It can be written as a sum of positive squares in 2 ways, for example, as 36294441121 + 1797336025 = 190511^2 + 42395^2 .

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

It is a super-2 number, since 2×38091777146² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201521 + ... + 3213396.

Almost surely, 2^38091777146 is an apocalyptic number.

38091777146 is a deficient number, since it is larger than the sum of its proper divisors (19065142234).

38091777146 is a wasteful number, since it uses less digits than its factorization.

38091777146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417888.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 38091777146 in words is "thirty-eight billion, ninety-one million, seven hundred seventy-seven thousand, one hundred forty-six".