769429890 has 48 divisors (see below), whose sum is σ = 2105812800. Its totient is φ = 194381856.

The previous prime is 769429883. The next prime is 769429919. The reversal of 769429890 is 98924967.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223270 + ... + 226689.

It is an arithmetic number, because the mean of its divisors is an integer number (43871100).

Almost surely, 2^769429890 is an apocalyptic number.

769429890 is an abundant number, since it is smaller than the sum of its proper divisors (1336382910).

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

769429890 is a wasteful number, since it uses less digits than its factorization.

769429890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449991 (or 449988 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 769429890 is about 27738.5992797041. The cubic root of 769429890 is about 916.3393803866.

The spelling of 769429890 in words is "seven hundred sixty-nine million, four hundred twenty-nine thousand, eight hundred ninety".