699630077 has 16 divisors (see below), whose sum is σ = 751524480. Its totient is φ = 649611072.

The previous prime is 699630073. The next prime is 699630089. The reversal of 699630077 is 770036996.

It is not a de Polignac number, because 699630077 - 2² = 699630073 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 (699630073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555074 + ... + 556332.

It is an arithmetic number, because the mean of its divisors is an integer number (46970280).

Almost surely, 2^699630077 is an apocalyptic number.

It is an amenable number.

699630077 is a deficient number, since it is larger than the sum of its proper divisors (51894403).

699630077 is a wasteful number, since it uses less digits than its factorization.

699630077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 699630077 is about 26450.5212992107. The cubic root of 699630077 is about 887.7475665103.

It can be divided in two parts, 6996 and 30077, that added together give a palindrome (37073).

The spelling of 699630077 in words is "six hundred ninety-nine million, six hundred thirty thousand, seventy-seven".