988291547 has 2 divisors, whose sum is σ = 988291548. Its totient is φ = 988291546.

The previous prime is 988291537. The next prime is 988291573. The reversal of 988291547 is 745192889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 988291547 - 2¹⁸ = 988029403 is a prime.

It is not a weakly prime, because it can be changed into another prime (988291537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494145773 + 494145774.

It is an arithmetic number, because the mean of its divisors is an integer number (494145774).

Almost surely, 2^988291547 is an apocalyptic number.

988291547 is a deficient number, since it is larger than the sum of its proper divisors (1).

988291547 is an equidigital number, since it uses as much as digits as its factorization.

988291547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 53.

The square root of 988291547 is about 31437.1046217682. The cubic root of 988291547 is about 996.0818504881.

The spelling of 988291547 in words is "nine hundred eighty-eight million, two hundred ninety-one thousand, five hundred forty-seven".