149377879 has 8 divisors (see below), whose sum is σ = 171946880. Its totient is φ = 127116216.

The previous prime is 149377849. The next prime is 149377901. The reversal of 149377879 is 978773941.

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 149377879 - 2²⁵ = 115823447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149377819) 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, 75789 + ... + 77734.

It is an arithmetic number, because the mean of its divisors is an integer number (21493360).

Almost surely, 2^149377879 is an apocalyptic number.

149377879 is a deficient number, since it is larger than the sum of its proper divisors (22569001).

149377879 is a wasteful number, since it uses less digits than its factorization.

149377879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153669.

The product of its digits is 2667168, while the sum is 55.

The square root of 149377879 is about 12222.0243413274. The cubic root of 149377879 is about 530.5937087120.

The spelling of 149377879 in words is "one hundred forty-nine million, three hundred seventy-seven thousand, eight hundred seventy-nine".