61077639167 has 8 divisors (see below), whose sum is σ = 64539939840. Its totient is φ = 57682567800.

The previous prime is 61077639163. The next prime is 61077639179. The reversal of 61077639167 is 76193677016.

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 61077639167 - 2² = 61077639163 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 (61077639163) 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, 16805459 + ... + 16809092.

It is an arithmetic number, because the mean of its divisors is an integer number (8067492480).

Almost surely, 2^61077639167 is an apocalyptic number.

61077639167 is a deficient number, since it is larger than the sum of its proper divisors (3462300673).

61077639167 is a wasteful number, since it uses less digits than its factorization.

61077639167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33614653.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 61077639167 in words is "sixty-one billion, seventy-seven million, six hundred thirty-nine thousand, one hundred sixty-seven".