387061147 has 4 divisors (see below), whose sum is σ = 422248536. Its totient is φ = 351873760.

The previous prime is 387061099. The next prime is 387061193. The reversal of 387061147 is 741160783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741160783 = 11 ⋅67378253.

It is a cyclic number.

It is not a de Polignac number, because 387061147 - 2⁷ = 387061019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387061247) 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, 17593678 + ... + 17593699.

It is an arithmetic number, because the mean of its divisors is an integer number (105562134).

Almost surely, 2^387061147 is an apocalyptic number.

387061147 is a deficient number, since it is larger than the sum of its proper divisors (35187389).

387061147 is a wasteful number, since it uses less digits than its factorization.

387061147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35187388.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 387061147 is about 19673.8696498681. The cubic root of 387061147 is about 728.7745418232.

The spelling of 387061147 in words is "three hundred eighty-seven million, sixty-one thousand, one hundred forty-seven".