38020077788 has 48 divisors (see below), whose sum is σ = 87832491264. Its totient is φ = 13941661440.

The previous prime is 38020077779. The next prime is 38020077791. The reversal of 38020077788 is 88777002083.

It is a super-3 number, since 3×38020077788³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625406 + ... + 3635877.

It is an arithmetic number, because the mean of its divisors is an integer number (1829843568).

Almost surely, 2^38020077788 is an apocalyptic number.

It is an amenable number.

38020077788 is an abundant number, since it is smaller than the sum of its proper divisors (49812413476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38020077788 is a wasteful number, since it uses less digits than its factorization.

38020077788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261322 (or 7261320 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 38020077788 in words is "thirty-eight billion, twenty million, seventy-seven thousand, seven hundred eighty-eight".