694396077 has 4 divisors (see below), whose sum is σ = 925861440. Its totient is φ = 462930716.

The previous prime is 694396033. The next prime is 694396091. The reversal of 694396077 is 770693496.

694396077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 694396077 - 2¹² = 694391981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694396877) 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, 115732677 + ... + 115732682.

It is an arithmetic number, because the mean of its divisors is an integer number (231465360).

Almost surely, 2^694396077 is an apocalyptic number.

It is an amenable number.

694396077 is a deficient number, since it is larger than the sum of its proper divisors (231465363).

694396077 is a wasteful number, since it uses less digits than its factorization.

694396077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231465362.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 694396077 is about 26351.3961110223. The cubic root of 694396077 is about 885.5282479431.

The spelling of 694396077 in words is "six hundred ninety-four million, three hundred ninety-six thousand, seventy-seven".