65350977 has 4 divisors (see below), whose sum is σ = 87134640. Its totient is φ = 43567316.

The previous prime is 65350969. The next prime is 65350979. The reversal of 65350977 is 77905356.

65350977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65350977 - 2³ = 65350969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65350979) 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, 10891827 + ... + 10891832.

It is an arithmetic number, because the mean of its divisors is an integer number (21783660).

Almost surely, 2^65350977 is an apocalyptic number.

It is an amenable number.

65350977 is a deficient number, since it is larger than the sum of its proper divisors (21783663).

65350977 is a wasteful number, since it uses less digits than its factorization.

65350977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21783662.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 65350977 is about 8083.9951138036. The cubic root of 65350977 is about 402.7949604204.

The spelling of 65350977 in words is "sixty-five million, three hundred fifty thousand, nine hundred seventy-seven".