49774622678 has 24 divisors (see below), whose sum is σ = 82434523584. Its totient is φ = 22523347440.

The previous prime is 49774622669. The next prime is 49774622683. The reversal of 49774622678 is 87622647794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49774622678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407201 + ... + 515132.

It is an arithmetic number, because the mean of its divisors is an integer number (3434771816).

Almost surely, 2^49774622678 is an apocalyptic number.

49774622678 is a deficient number, since it is larger than the sum of its proper divisors (32659900906).

49774622678 is a wasteful number, since it uses less digits than its factorization.

49774622678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922580 (or 922569 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 62.

The spelling of 49774622678 in words is "forty-nine billion, seven hundred seventy-four million, six hundred twenty-two thousand, six hundred seventy-eight".