1082357780 has 24 divisors (see below), whose sum is σ = 2597659008. Its totient is φ = 371094048.

The previous prime is 1082357779. The next prime is 1082357803. The reversal of 1082357780 is 877532801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865424 + ... + 3865703.

It is an arithmetic number, because the mean of its divisors is an integer number (108235792).

Almost surely, 2^1082357780 is an apocalyptic number.

1082357780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082357780 is an abundant number, since it is smaller than the sum of its proper divisors (1515301228).

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

1082357780 is a wasteful number, since it uses less digits than its factorization.

1082357780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731143 (or 7731141 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1082357780 is about 32899.2063734066. The cubic root of 1082357780 is about 1026.7316451724.

The spelling of 1082357780 in words is "one billion, eighty-two million, three hundred fifty-seven thousand, seven hundred eighty".