988895077 has 2 divisors, whose sum is σ = 988895078. Its totient is φ = 988895076.

The previous prime is 988895057. The next prime is 988895093. The reversal of 988895077 is 770598889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935809281 + 53085796 = 30591^2 + 7286^2 .

It is a cyclic number.

It is not a de Polignac number, because 988895077 - 2¹⁵ = 988862309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988895057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494447538 + 494447539.

It is an arithmetic number, because the mean of its divisors is an integer number (494447539).

Almost surely, 2^988895077 is an apocalyptic number.

It is an amenable number.

988895077 is a deficient number, since it is larger than the sum of its proper divisors (1).

988895077 is an equidigital number, since it uses as much as digits as its factorization.

988895077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 61.

The square root of 988895077 is about 31446.7021641380. The cubic root of 988895077 is about 996.2845716889.

The spelling of 988895077 in words is "nine hundred eighty-eight million, eight hundred ninety-five thousand, seventy-seven".