149879863 has 8 divisors (see below), whose sum is σ = 171390240. Its totient is φ = 128394240.

The previous prime is 149879857. The next prime is 149879869. The reversal of 149879863 is 368978941.

It is an interprime number because it is at equal distance from previous prime (149879857) and next prime (149879869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149879863 - 2⁹ = 149879351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149879869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423 + ... + 19711.

It is an arithmetic number, because the mean of its divisors is an integer number (21423780).

Almost surely, 2^149879863 is an apocalyptic number.

149879863 is a deficient number, since it is larger than the sum of its proper divisors (21510377).

149879863 is a wasteful number, since it uses less digits than its factorization.

149879863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377.

The product of its digits is 2612736, while the sum is 55.

The square root of 149879863 is about 12242.5431590009. The cubic root of 149879863 is about 531.1873971352.

The spelling of 149879863 in words is "one hundred forty-nine million, eight hundred seventy-nine thousand, eight hundred sixty-three".