999077364 has 18 divisors (see below), whose sum is σ = 2525445650. Its totient is φ = 333025776.

The previous prime is 999077357. The next prime is 999077383. The reversal of 999077364 is 463770999.

It can be written as a sum of positive squares in only one way, i.e., 767733264 + 231344100 = 27708^2 + 15210^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 999077364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13876039 + ... + 13876110.

Almost surely, 2^999077364 is an apocalyptic number.

It is an amenable number.

999077364 is an abundant number, since it is smaller than the sum of its proper divisors (1526368286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999077364 is a wasteful number, since it uses less digits than its factorization.

999077364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752159 (or 27752154 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 999077364 is about 31608.1850791848. The cubic root of 999077364 is about 999.6923600340.

The spelling of 999077364 in words is "nine hundred ninety-nine million, seventy-seven thousand, three hundred sixty-four".