387160881 has 4 divisors (see below), whose sum is σ = 516214512. Its totient is φ = 258107252.

The previous prime is 387160871. The next prime is 387160883. The reversal of 387160881 is 188061783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 387160881 - 2⁹ = 387160369 is a prime.

It is a super-2 number, since 2×387160881² = 299787095553392322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387160883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64526811 + ... + 64526816.

It is an arithmetic number, because the mean of its divisors is an integer number (129053628).

Almost surely, 2^387160881 is an apocalyptic number.

It is an amenable number.

387160881 is a deficient number, since it is larger than the sum of its proper divisors (129053631).

387160881 is a wasteful number, since it uses less digits than its factorization.

387160881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129053630.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 387160881 is about 19676.4041684450. The cubic root of 387160881 is about 728.8371308644.

The spelling of 387160881 in words is "three hundred eighty-seven million, one hundred sixty thousand, eight hundred eighty-one".