38678651488831 has 8 divisors (see below), whose sum is σ = 39040059103760. Its totient is φ = 38317363103232.

The previous prime is 38678651488817. The next prime is 38678651488993. The reversal of 38678651488831 is 13888415687683.

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

It is a cyclic number.

It is not a de Polignac number, because 38678651488831 - 2¹⁵ = 38678651456063 is a prime.

It is a super-2 number, since 2×38678651488831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678651488231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29155425 + ... + 30453178.

It is an arithmetic number, because the mean of its divisors is an integer number (4880007387970).

Almost surely, 2^{38678651488831} is an apocalyptic number.

38678651488831 is a deficient number, since it is larger than the sum of its proper divisors (361407614929).

38678651488831 is a wasteful number, since it uses less digits than its factorization.

38678651488831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59614665.

The product of its digits is 1486356480, while the sum is 76.

The spelling of 38678651488831 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, four hundred eighty-eight thousand, eight hundred thirty-one".