61335877177607 has 2 divisors, whose sum is σ = 61335877177608. Its totient is φ = 61335877177606.

The previous prime is 61335877177483. The next prime is 61335877177613. The reversal of 61335877177607 is 70677177853316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61335877177607 - 2²² = 61335872983303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61335877177657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667938588803 + 30667938588804.

It is an arithmetic number, because the mean of its divisors is an integer number (30667938588804).

Almost surely, 2^{61335877177607} is an apocalyptic number.

61335877177607 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335877177607 is an equidigital number, since it uses as much as digits as its factorization.

61335877177607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217818720, while the sum is 68.

The spelling of 61335877177607 in words is "sixty-one trillion, three hundred thirty-five billion, eight hundred seventy-seven million, one hundred seventy-seven thousand, six hundred seven".