147860977 has 4 divisors (see below), whose sum is σ = 161302896. Its totient is φ = 134419060.

The previous prime is 147860963. The next prime is 147860987. The reversal of 147860977 is 779068741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147860977 - 2¹¹ = 147858929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147860977.

It is not an unprimeable number, because it can be changed into a prime (147860927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6720943 + ... + 6720964.

It is an arithmetic number, because the mean of its divisors is an integer number (40325724).

Almost surely, 2^147860977 is an apocalyptic number.

It is an amenable number.

147860977 is a deficient number, since it is larger than the sum of its proper divisors (13441919).

147860977 is a wasteful number, since it uses less digits than its factorization.

147860977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13441918.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 147860977 is about 12159.8099080537. The cubic root of 147860977 is about 528.7915710059.

The spelling of 147860977 in words is "one hundred forty-seven million, eight hundred sixty thousand, nine hundred seventy-seven".