782669090 has 128 divisors (see below), whose sum is σ = 1796014080. Its totient is φ = 239500800.

The previous prime is 782669077. The next prime is 782669141. The reversal of 782669090 is 90966287.

It is a super-2 number, since 2×782669090² = 1225141808882856200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1690199 + ... + 1690661.

It is an arithmetic number, because the mean of its divisors is an integer number (14031360).

Almost surely, 2^782669090 is an apocalyptic number.

782669090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

782669090 is an abundant number, since it is smaller than the sum of its proper divisors (1013344990).

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

782669090 is a wasteful number, since it uses less digits than its factorization.

782669090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 782669090 is about 27976.2236550968. The cubic root of 782669090 is about 921.5651877295.

The spelling of 782669090 in words is "seven hundred eighty-two million, six hundred sixty-nine thousand, ninety".