1077855372 has 72 divisors (see below), whose sum is σ = 3041438400. Its totient is φ = 319021920.

The previous prime is 1077855349. The next prime is 1077855379. The reversal of 1077855372 is 2735587701.

1077855372 is a `hidden beast` number, since 107 + 7 + 8 + 5 + 537 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1077855379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14622 + ... + 48677.

It is an arithmetic number, because the mean of its divisors is an integer number (42242200).

Almost surely, 2^1077855372 is an apocalyptic number.

1077855372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1077855372 is an abundant number, since it is smaller than the sum of its proper divisors (1963583028).

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

1077855372 is a wasteful number, since it uses less digits than its factorization.

1077855372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63363 (or 63358 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 1077855372 is about 32830.7077596570. The cubic root of 1077855372 is about 1025.3059953359.

The spelling of 1077855372 in words is "one billion, seventy-seven million, eight hundred fifty-five thousand, three hundred seventy-two".