48887999977 has 2 divisors, whose sum is σ = 48887999978. Its totient is φ = 48887999976.

The previous prime is 48887999873. The next prime is 48887999999. The reversal of 48887999977 is 77999978884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42029510121 + 6858489856 = 205011^2 + 82816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48887999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48887999894 and 48887999903.

It is not a weakly prime, because it can be changed into another prime (48887999177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24443999988 + 24443999989.

It is an arithmetic number, because the mean of its divisors is an integer number (24443999989).

Almost surely, 2^48887999977 is an apocalyptic number.

It is an amenable number.

48887999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

48887999977 is an equidigital number, since it uses as much as digits as its factorization.

48887999977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608866304, while the sum is 85.

The spelling of 48887999977 in words is "forty-eight billion, eight hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred seventy-seven".