776649332 has 12 divisors (see below), whose sum is σ = 1382172960. Its totient is φ = 381742776.

The previous prime is 776649331. The next prime is 776649337. The reversal of 776649332 is 233946677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776649331) 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, 1645208 + ... + 1645679.

It is an arithmetic number, because the mean of its divisors is an integer number (115181080).

Almost surely, 2^776649332 is an apocalyptic number.

It is an amenable number.

776649332 is a deficient number, since it is larger than the sum of its proper divisors (605523628).

776649332 is a wasteful number, since it uses less digits than its factorization.

776649332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290950 (or 3290948 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 47.

The square root of 776649332 is about 27868.4289474667. The cubic root of 776649332 is about 919.1964202408.

The spelling of 776649332 in words is "seven hundred seventy-six million, six hundred forty-nine thousand, three hundred thirty-two".