988970077 has 16 divisors (see below), whose sum is σ = 1069863552. Its totient is φ = 911718720.

The previous prime is 988970069. The next prime is 988970119. The reversal of 988970077 is 770079889.

It is a cyclic number.

It is not a de Polignac number, because 988970077 - 2³ = 988970069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988970027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85627 + ... + 96487.

It is an arithmetic number, because the mean of its divisors is an integer number (66866472).

Almost surely, 2^988970077 is an apocalyptic number.

It is an amenable number.

988970077 is a deficient number, since it is larger than the sum of its proper divisors (80893475).

988970077 is a wasteful number, since it uses less digits than its factorization.

988970077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028.

The product of its (nonzero) digits is 1778112, while the sum is 55.

The square root of 988970077 is about 31447.8946354124. The cubic root of 988970077 is about 996.3097578641.

The spelling of 988970077 in words is "nine hundred eighty-eight million, nine hundred seventy thousand, seventy-seven".