155963479 has 16 divisors (see below), whose sum is σ = 185497920. Its totient is φ = 128298240.

The previous prime is 155963477. The next prime is 155963503. The reversal of 155963479 is 974369551.

155963479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155963479 - 2¹ = 155963477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155963477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32899 + ... + 37339.

It is an arithmetic number, because the mean of its divisors is an integer number (11593620).

Almost surely, 2^155963479 is an apocalyptic number.

155963479 is a deficient number, since it is larger than the sum of its proper divisors (29534441).

155963479 is a wasteful number, since it uses less digits than its factorization.

155963479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650.

The product of its digits is 1020600, while the sum is 49.

The square root of 155963479 is about 12488.5339011431. The cubic root of 155963479 is about 538.2792493173.

The spelling of 155963479 in words is "one hundred fifty-five million, nine hundred sixty-three thousand, four hundred seventy-nine".