148896177979 has 4 divisors (see below), whose sum is σ = 148898657376. Its totient is φ = 148893698584.

The previous prime is 148896177953. The next prime is 148896178009. The reversal of 148896177979 is 979771698841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979771698841 = 13 ⋅75367053757.

It is a cyclic number.

It is not a de Polignac number, because 148896177979 - 2²⁷ = 148761960251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148896177179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147324 + ... + 1270489.

It is an arithmetic number, because the mean of its divisors is an integer number (37224664344).

Almost surely, 2^148896177979 is an apocalyptic number.

148896177979 is a deficient number, since it is larger than the sum of its proper divisors (2479397).

148896177979 is an equidigital number, since it uses as much as digits as its factorization.

148896177979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479396.

The product of its digits is 384072192, while the sum is 76.

The spelling of 148896177979 in words is "one hundred forty-eight billion, eight hundred ninety-six million, one hundred seventy-seven thousand, nine hundred seventy-nine".