153870863 has 2 divisors, whose sum is σ = 153870864. Its totient is φ = 153870862.

The previous prime is 153870841. The next prime is 153870881. The reversal of 153870863 is 368078351.

153870863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (368078351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153870863 - 2⁶ = 153870799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153870863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153870163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76935431 + 76935432.

It is an arithmetic number, because the mean of its divisors is an integer number (76935432).

Almost surely, 2^153870863 is an apocalyptic number.

153870863 is a deficient number, since it is larger than the sum of its proper divisors (1).

153870863 is an equidigital number, since it uses as much as digits as its factorization.

153870863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 153870863 is about 12404.4694767652. The cubic root of 153870863 is about 535.8609748869.

The spelling of 153870863 in words is "one hundred fifty-three million, eight hundred seventy thousand, eight hundred sixty-three".