64977148 has 6 divisors (see below), whose sum is σ = 113710016. Its totient is φ = 32488572.

The previous prime is 64977127. The next prime is 64977149. The reversal of 64977148 is 84177946.

It is a junction number, because it is equal to n+sod(n) for n = 64977098 and 64977107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64977149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122140 + ... + 8122147.

Almost surely, 2^64977148 is an apocalyptic number.

It is an amenable number.

64977148 is a deficient number, since it is larger than the sum of its proper divisors (48732868).

64977148 is a wasteful number, since it uses less digits than its factorization.

64977148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16244291 (or 16244289 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 64977148 is about 8060.8404028364. The cubic root of 64977148 is about 402.0254515539.

The spelling of 64977148 in words is "sixty-four million, nine hundred seventy-seven thousand, one hundred forty-eight".