38486777744 has 20 divisors (see below), whose sum is σ = 74644020096. Its totient is φ = 19223804832.

The previous prime is 38486777699. The next prime is 38486777809. The reversal of 38486777744 is 44777768483.

It is a super-2 number, since 2×38486777744² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207784 + ... + 1239239.

Almost surely, 2^38486777744 is an apocalyptic number.

It is an amenable number.

38486777744 is a deficient number, since it is larger than the sum of its proper divisors (36157242352).

38486777744 is a wasteful number, since it uses less digits than its factorization.

38486777744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448014 (or 2448008 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 65.

The spelling of 38486777744 in words is "thirty-eight billion, four hundred eighty-six million, seven hundred seventy-seven thousand, seven hundred forty-four".