49778287794 has 48 divisors (see below), whose sum is σ = 108749122560. Its totient is φ = 16455005280.

The previous prime is 49778287771. The next prime is 49778287817.

49778287794 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (49778287771) and next prime (49778287817).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9459124 + ... + 9464384.

It is an arithmetic number, because the mean of its divisors is an integer number (2265606720).

Almost surely, 2^49778287794 is an apocalyptic number.

49778287794 is an abundant number, since it is smaller than the sum of its proper divisors (58970834766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49778287794 is a wasteful number, since it uses less digits than its factorization.

49778287794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535 (or 9532 counting only the distinct ones).

The product of its digits is 398297088, while the sum is 72.

The spelling of 49778287794 in words is "forty-nine billion, seven hundred seventy-eight million, two hundred eighty-seven thousand, seven hundred ninety-four".