769839901 has 4 divisors (see below), whose sum is σ = 771188704. Its totient is φ = 768491100.

The previous prime is 769839899. The next prime is 769839907. The reversal of 769839901 is 109938967.

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 769839901 - 2¹ = 769839899 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 (769839907) 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 3 ways as a sum of consecutive naturals, for example, 673545 + ... + 674686.

It is an arithmetic number, because the mean of its divisors is an integer number (192797176).

Almost surely, 2^769839901 is an apocalyptic number.

It is an amenable number.

769839901 is a deficient number, since it is larger than the sum of its proper divisors (1348803).

769839901 is a wasteful number, since it uses less digits than its factorization.

769839901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348802.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 769839901 is about 27745.9889173192. The cubic root of 769839901 is about 916.5021166821.

The spelling of 769839901 in words is "seven hundred sixty-nine million, eight hundred thirty-nine thousand, nine hundred one".