699377630077 has 4 divisors (see below), whose sum is σ = 799288720096. Its totient is φ = 599466540060.

The previous prime is 699377630053. The next prime is 699377630089. The reversal of 699377630077 is 770036773996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 699377630077 - 2⁷ = 699377629949 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 (699377630027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49955544999 + ... + 49955545012.

It is an arithmetic number, because the mean of its divisors is an integer number (199822180024).

Almost surely, 2^699377630077 is an apocalyptic number.

It is an amenable number.

699377630077 is a deficient number, since it is larger than the sum of its proper divisors (99911090019).

699377630077 is an equidigital number, since it uses as much as digits as its factorization.

699377630077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99911090018.

The product of its (nonzero) digits is 63011844, while the sum is 64.

The spelling of 699377630077 in words is "six hundred ninety-nine billion, three hundred seventy-seven million, six hundred thirty thousand, seventy-seven".