61339377 has 24 divisors (see below), whose sum is σ = 92346688. Its totient is φ = 36162720.

The previous prime is 61339363. The next prime is 61339381. The reversal of 61339377 is 77393316.

It is not a de Polignac number, because 61339377 - 2⁷ = 61339249 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61339337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11148 + ... + 15714.

Almost surely, 2^61339377 is an apocalyptic number.

It is an amenable number.

61339377 is a deficient number, since it is larger than the sum of its proper divisors (31007311).

61339377 is a wasteful number, since it uses less digits than its factorization.

61339377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4618 counting only the distinct ones).

The product of its digits is 71442, while the sum is 39.

The square root of 61339377 is about 7831.9459267796. The cubic root of 61339377 is about 394.3783995544.

It can be divided in two parts, 61339 and 377, that added together give a palindrome (61716).

The spelling of 61339377 in words is "sixty-one million, three hundred thirty-nine thousand, three hundred seventy-seven".