48778687808 has 14 divisors (see below), whose sum is σ = 96795208746. Its totient is φ = 24389343872.

The previous prime is 48778687807. The next prime is 48778687823. The reversal of 48778687808 is 80878687784.

It can be written as a sum of positive squares in only one way, i.e., 40930145344 + 7848542464 = 202312^2 + 88592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48778687807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381083435 + ... + 381083562.

Almost surely, 2^48778687808 is an apocalyptic number.

It is an amenable number.

48778687808 is a deficient number, since it is larger than the sum of its proper divisors (48016520938).

48778687808 is an equidigital number, since it uses as much as digits as its factorization.

48778687808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762167009 (or 762166999 counting only the distinct ones).

The product of its (nonzero) digits is 269746176, while the sum is 71.

The spelling of 48778687808 in words is "forty-eight billion, seven hundred seventy-eight million, six hundred eighty-seven thousand, eight hundred eight".