61910944277 has 16 divisors (see below), whose sum is σ = 76208681472. Its totient is φ = 48977671680.

The previous prime is 61910944261. The next prime is 61910944309. The reversal of 61910944277 is 77244901916.

It is not a de Polignac number, because 61910944277 - 2⁴ = 61910944261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61910944217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670148 + ... + 756914.

It is an arithmetic number, because the mean of its divisors is an integer number (4763042592).

Almost surely, 2^61910944277 is an apocalyptic number.

It is an amenable number.

61910944277 is a deficient number, since it is larger than the sum of its proper divisors (14297737195).

61910944277 is a wasteful number, since it uses less digits than its factorization.

61910944277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94628.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 61910944277 in words is "sixty-one billion, nine hundred ten million, nine hundred forty-four thousand, two hundred seventy-seven".