9999077 has 12 divisors (see below), whose sum is σ = 11639628. Its totient is φ = 8553600.

The previous prime is 9999071. The next prime is 9999083. The reversal of 9999077 is 7709999.

It is an interprime number because it is at equal distance from previous prime (9999071) and next prime (9999083).

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 1437601 = 2926^2 + 1199^2 .

It is not a de Polignac number, because 9999077 - 2¹⁶ = 9933541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (969969).

Almost surely, 2^9999077 is an apocalyptic number.

It is an amenable number.

9999077 is a deficient number, since it is larger than the sum of its proper divisors (1640551).

9999077 is a wasteful number, since it uses less digits than its factorization.

9999077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 321489, while the sum is 50.

The square root of 9999077 is about 3162.1317176867. The cubic root of 9999077 is about 215.4368403218.

The spelling of 9999077 in words is "nine million, nine hundred ninety-nine thousand, seventy-seven".