38782956155 has 16 divisors (see below), whose sum is σ = 48583644480. Its totient is φ = 29664780288.

The previous prime is 38782956151. The next prime is 38782956209. The reversal of 38782956155 is 55165928783.

It is a happy number.

It is not a de Polignac number, because 38782956155 - 2² = 38782956151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38782956094 and 38782956103.

It is not an unprimeable number, because it can be changed into a prime (38782956151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 204731 + ... + 345659.

It is an arithmetic number, because the mean of its divisors is an integer number (3036477780).

Almost surely, 2^38782956155 is an apocalyptic number.

38782956155 is a deficient number, since it is larger than the sum of its proper divisors (9800688325).

38782956155 is a wasteful number, since it uses less digits than its factorization.

38782956155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143350.

The product of its digits is 18144000, while the sum is 59.

The spelling of 38782956155 in words is "thirty-eight billion, seven hundred eighty-two million, nine hundred fifty-six thousand, one hundred fifty-five".