65939377 has 8 divisors (see below), whose sum is σ = 75478592. Its totient is φ = 56430000.

The previous prime is 65939327. The next prime is 65939429. The reversal of 65939377 is 77393956.

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

It is a cyclic number.

It is not a de Polignac number, because 65939377 - 2¹⁵ = 65906609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65939377.

It is not an unprimeable number, because it can be changed into a prime (65939327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (9434824).

Almost surely, 2^65939377 is an apocalyptic number.

It is an amenable number.

65939377 is a deficient number, since it is larger than the sum of its proper divisors (9539215).

65939377 is a wasteful number, since it uses less digits than its factorization.

65939377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919.

The product of its digits is 1071630, while the sum is 49.

The square root of 65939377 is about 8120.3064597341. The cubic root of 65939377 is about 404.0002307779. Note that the first 3 decimals are identical.

The spelling of 65939377 in words is "sixty-five million, nine hundred thirty-nine thousand, three hundred seventy-seven".