38678651488829 has 16 divisors (see below), whose sum is σ = 42720086223360. Its totient is φ = 34725082797360.

The previous prime is 38678651488817. The next prime is 38678651488993. The reversal of 38678651488829 is 92888415687683.

It is a cyclic number.

It is not a de Polignac number, because 38678651488829 - 2⁸ = 38678651488573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (83).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678651485829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6024617 + ... + 10660830.

It is an arithmetic number, because the mean of its divisors is an integer number (2670005388960).

Almost surely, 2^{38678651488829} is an apocalyptic number.

It is an amenable number.

38678651488829 is a deficient number, since it is larger than the sum of its proper divisors (4041434734531).

38678651488829 is a wasteful number, since it uses less digits than its factorization.

38678651488829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688080.

The product of its digits is 8918138880, while the sum is 83.

The spelling of 38678651488829 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, four hundred eighty-eight thousand, eight hundred twenty-nine".