1013772852 has 18 divisors (see below), whose sum is σ = 2562592578. Its totient is φ = 337924272.

The previous prime is 1013772839. The next prime is 1013772887. The reversal of 1013772852 is 2582773101.

1013772852 is a `hidden beast` number, since 1 + 0 + 1 + 377 + 285 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 645363216 + 368409636 = 25404^2 + 19194^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 28160357 = 1013772852 / (1 + 0 + 1 + 3 + 7 + 7 + 2 + 8 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14080143 + ... + 14080214.

Almost surely, 2^1013772852 is an apocalyptic number.

1013772852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013772852 is an abundant number, since it is smaller than the sum of its proper divisors (1548819726).

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

1013772852 is a wasteful number, since it uses less digits than its factorization.

1013772852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160367 (or 28160362 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1013772852 is about 31839.7998109285. The cubic root of 1013772852 is about 1004.5700336438.

The spelling of 1013772852 in words is "one billion, thirteen million, seven hundred seventy-two thousand, eight hundred fifty-two".