65494977 has 8 divisors (see below), whose sum is σ = 89357664. Its totient is φ = 42647808.

The previous prime is 65494969. The next prime is 65494987. The reversal of 65494977 is 77949456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65494977 - 2³ = 65494969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65494967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253728 + ... + 253985.

It is an arithmetic number, because the mean of its divisors is an integer number (11169708).

Almost surely, 2^65494977 is an apocalyptic number.

It is an amenable number.

65494977 is a deficient number, since it is larger than the sum of its proper divisors (23862687).

65494977 is a wasteful number, since it uses less digits than its factorization.

65494977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507759.

The product of its digits is 1905120, while the sum is 51.

The square root of 65494977 is about 8092.8967001933. The cubic root of 65494977 is about 403.0905944797.

The spelling of 65494977 in words is "sixty-five million, four hundred ninety-four thousand, nine hundred seventy-seven".