49678888887694 has 16 divisors (see below), whose sum is σ = 81416084999040. Its totient is φ = 22547047095160.

The previous prime is 49678888887679. The next prime is 49678888887751.

It is a happy number.

49678888887694 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×49678888887694² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49678888887694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713286954 + ... + 1713315949.

It is an arithmetic number, because the mean of its divisors is an integer number (5088505312440).

Almost surely, 2^{49678888887694} is an apocalyptic number.

49678888887694 is a deficient number, since it is larger than the sum of its proper divisors (31737196111346).

49678888887694 is a wasteful number, since it uses less digits than its factorization.

49678888887694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426603575.

The product of its digits is 599298932736, while the sum is 100.

The spelling of 49678888887694 in words is "forty-nine trillion, six hundred seventy-eight billion, eight hundred eighty-eight million, eight hundred eighty-seven thousand, six hundred ninety-four".