49087826178047 has 4 divisors (see below), whose sum is σ = 51222079490160. Its totient is φ = 46953572865936.

The previous prime is 49087826177983. The next prime is 49087826178049. The reversal of 49087826178047 is 74087162878094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49087826178047 - 2⁶ = 49087826177983 is a prime.

It is a super-2 number, since 2×49087826178047² (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 (49087826178049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067126656022 + ... + 1067126656067.

It is an arithmetic number, because the mean of its divisors is an integer number (12805519872540).

Almost surely, 2^{49087826178047} is an apocalyptic number.

49087826178047 is a deficient number, since it is larger than the sum of its proper divisors (2134253312113).

49087826178047 is a wasteful number, since it uses less digits than its factorization.

49087826178047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134253312112.

The product of its (nonzero) digits is 303464448, while the sum is 71.

The spelling of 49087826178047 in words is "forty-nine trillion, eighty-seven billion, eight hundred twenty-six million, one hundred seventy-eight thousand, forty-seven".