1355077872 has 60 divisors (see below), whose sum is σ = 3991940680. Its totient is φ = 427918464.

The previous prime is 1355077847. The next prime is 1355077873. The reversal of 1355077872 is 2787705531.

1355077872 is a `hidden beast` number, since 1 + 3 + 5 + 507 + 78 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355077873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244903 + ... + 250374.

Almost surely, 2^1355077872 is an apocalyptic number.

1355077872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1355077872 is an abundant number, since it is smaller than the sum of its proper divisors (2636862808).

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

1355077872 is a wasteful number, since it uses less digits than its factorization.

1355077872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495310 (or 495301 counting only the distinct ones).

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

The square root of 1355077872 is about 36811.3823701311. The cubic root of 1355077872 is about 1106.5934225166.

The spelling of 1355077872 in words is "one billion, three hundred fifty-five million, seventy-seven thousand, eight hundred seventy-two".