769776340 has 48 divisors (see below), whose sum is σ = 1665764352. Its totient is φ = 298651136.

The previous prime is 769776331. The next prime is 769776347. The reversal of 769776340 is 43677967.

It is a super-2 number, since 2×769776340² = 1185111227247591200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769776347) 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, 102597 + ... + 109843.

It is an arithmetic number, because the mean of its divisors is an integer number (34703424).

Almost surely, 2^769776340 is an apocalyptic number.

It is an amenable number.

769776340 is an abundant number, since it is smaller than the sum of its proper divisors (895988012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

769776340 is a wasteful number, since it uses less digits than its factorization.

769776340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416 (or 7414 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 769776340 is about 27744.8434848712. The cubic root of 769776340 is about 916.4768926521.

The spelling of 769776340 in words is "seven hundred sixty-nine million, seven hundred seventy-six thousand, three hundred forty".