1077451820 has 24 divisors (see below), whose sum is σ = 2266110000. Its totient is φ = 430321472.

The previous prime is 1077451807. The next prime is 1077451831. The reversal of 1077451820 is 281547701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27695 + ... + 54054.

It is an arithmetic number, because the mean of its divisors is an integer number (94421250).

Almost surely, 2^1077451820 is an apocalyptic number.

1077451820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077451820 is an abundant number, since it is smaller than the sum of its proper divisors (1188658180).

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

1077451820 is a wasteful number, since it uses less digits than its factorization.

1077451820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82417 (or 82415 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1077451820 is about 32824.5612308832. The cubic root of 1077451820 is about 1025.1780202400.

The spelling of 1077451820 in words is "one billion, seventy-seven million, four hundred fifty-one thousand, eight hundred twenty".