149927887 has 8 divisors (see below), whose sum is σ = 151949520. Its totient is φ = 147913920.

The previous prime is 149927881. The next prime is 149927891. The reversal of 149927887 is 788729941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149927887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149927881) 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, 44937 + ... + 48157.

It is an arithmetic number, because the mean of its divisors is an integer number (18993690).

Almost surely, 2^149927887 is an apocalyptic number.

149927887 is a deficient number, since it is larger than the sum of its proper divisors (2021633).

149927887 is an equidigital number, since it uses as much as digits as its factorization.

149927887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its digits is 2032128, while the sum is 55.

The square root of 149927887 is about 12244.5043590992. The cubic root of 149927887 is about 531.2441248347.

The spelling of 149927887 in words is "one hundred forty-nine million, nine hundred twenty-seven thousand, eight hundred eighty-seven".