48778667533 has 2 divisors, whose sum is σ = 48778667534. Its totient is φ = 48778667532.

The previous prime is 48778667459. The next prime is 48778667549. The reversal of 48778667533 is 33576687784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36736238889 + 12042428644 = 191667^2 + 109738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48778667533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48778667593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24389333766 + 24389333767.

It is an arithmetic number, because the mean of its divisors is an integer number (24389333767).

Almost surely, 2^48778667533 is an apocalyptic number.

It is an amenable number.

48778667533 is a deficient number, since it is larger than the sum of its proper divisors (1).

48778667533 is an equidigital number, since it uses as much as digits as its factorization.

48778667533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142248960, while the sum is 64.

The spelling of 48778667533 in words is "forty-eight billion, seven hundred seventy-eight million, six hundred sixty-seven thousand, five hundred thirty-three".