152947979 has 2 divisors, whose sum is σ = 152947980. Its totient is φ = 152947978.

The previous prime is 152947961. The next prime is 152948009. The reversal of 152947979 is 979749251.

152947979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152947979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152947979.

It is not a weakly prime, because it can be changed into another prime (152947939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76473989 + 76473990.

It is an arithmetic number, because the mean of its divisors is an integer number (76473990).

Almost surely, 2^152947979 is an apocalyptic number.

152947979 is a deficient number, since it is larger than the sum of its proper divisors (1).

152947979 is an equidigital number, since it uses as much as digits as its factorization.

152947979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 53.

The square root of 152947979 is about 12367.2138737874. The cubic root of 152947979 is about 534.7874999666.

The spelling of 152947979 in words is "one hundred fifty-two million, nine hundred forty-seven thousand, nine hundred seventy-nine".