770344401 has 4 divisors (see below), whose sum is σ = 1027125872. Its totient is φ = 513562932.

The previous prime is 770344397. The next prime is 770344411. The reversal of 770344401 is 104443077.

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 not a de Polignac number, because 770344401 - 2² = 770344397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (770344411) 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, 128390731 + ... + 128390736.

It is an arithmetic number, because the mean of its divisors is an integer number (256781468).

Almost surely, 2^770344401 is an apocalyptic number.

It is an amenable number.

770344401 is a deficient number, since it is larger than the sum of its proper divisors (256781471).

770344401 is a wasteful number, since it uses less digits than its factorization.

770344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256781470.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 770344401 is about 27755.0788325308. The cubic root of 770344401 is about 916.7022770666.

Adding to 770344401 its reverse (104443077), we get a palindrome (874787478).

The spelling of 770344401 in words is "seven hundred seventy million, three hundred forty-four thousand, four hundred one".