49789600778 has 8 divisors (see below), whose sum is σ = 74685627072. Its totient is φ = 24894391756.

The previous prime is 49789600771. The next prime is 49789600781. The reversal of 49789600778 is 87700698794.

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

It is not an unprimeable number, because it can be changed into a prime (49789600771) 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, 18050 + ... + 316077.

It is an arithmetic number, because the mean of its divisors is an integer number (9335703384).

Almost surely, 2^49789600778 is an apocalyptic number.

49789600778 is a deficient number, since it is larger than the sum of its proper divisors (24896026294).

49789600778 is a wasteful number, since it uses less digits than its factorization.

49789600778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408636.

The product of its (nonzero) digits is 42674688, while the sum is 65.

The spelling of 49789600778 in words is "forty-nine billion, seven hundred eighty-nine million, six hundred thousand, seven hundred seventy-eight".