61011677 has 4 divisors (see below), whose sum is σ = 61027356. Its totient is φ = 60996000.

The previous prime is 61011673. The next prime is 61011697. The reversal of 61011677 is 77611016.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31483321 + 29528356 = 5611^2 + 5434^2 .

It is a cyclic number.

It is not a de Polignac number, because 61011677 - 2² = 61011673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011673) 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 3 ways as a sum of consecutive naturals, for example, 2927 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (15256839).

Almost surely, 2^61011677 is an apocalyptic number.

It is an amenable number.

61011677 is a deficient number, since it is larger than the sum of its proper divisors (15679).

61011677 is an equidigital number, since it uses as much as digits as its factorization.

61011677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15678.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 61011677 is about 7810.9971834587. The cubic root of 61011677 is about 393.6748350014.

The spelling of 61011677 in words is "sixty-one million, eleven thousand, six hundred seventy-seven".