48778687733 has 2 divisors, whose sum is σ = 48778687734. Its totient is φ = 48778687732.

The previous prime is 48778687723. The next prime is 48778687777. The reversal of 48778687733 is 33778687784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34248313969 + 14530373764 = 185063^2 + 120542^2 .

It is a cyclic number.

It is not a de Polignac number, because 48778687733 - 2¹⁶ = 48778622197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48778687723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24389343866 + 24389343867.

It is an arithmetic number, because the mean of its divisors is an integer number (24389343867).

Almost surely, 2^48778687733 is an apocalyptic number.

It is an amenable number.

48778687733 is a deficient number, since it is larger than the sum of its proper divisors (1).

48778687733 is an equidigital number, since it uses as much as digits as its factorization.

48778687733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 265531392, while the sum is 68.

The spelling of 48778687733 in words is "forty-eight billion, seven hundred seventy-eight million, six hundred eighty-seven thousand, seven hundred thirty-three".