65354977 has 4 divisors (see below), whose sum is σ = 65384496. Its totient is φ = 65325460.

The previous prime is 65354959. The next prime is 65354999. The reversal of 65354977 is 77945356.

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 65354977 - 2²³ = 56966369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65354677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11143 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (16346124).

Almost surely, 2^65354977 is an apocalyptic number.

It is an amenable number.

65354977 is a deficient number, since it is larger than the sum of its proper divisors (29519).

65354977 is a wasteful number, since it uses less digits than its factorization.

65354977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29518.

The product of its digits is 793800, while the sum is 46.

The square root of 65354977 is about 8084.2425124436. The cubic root of 65354977 is about 402.8031783388.

The spelling of 65354977 in words is "sixty-five million, three hundred fifty-four thousand, nine hundred seventy-seven".