61763770627 has 4 divisors (see below), whose sum is σ = 66514829920. Its totient is φ = 57012711336.

The previous prime is 61763770583. The next prime is 61763770631. The reversal of 61763770627 is 72607736716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61763770627 - 2¹⁵ = 61763737859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61763770727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2375529627 + ... + 2375529652.

It is an arithmetic number, because the mean of its divisors is an integer number (16628707480).

Almost surely, 2^61763770627 is an apocalyptic number.

61763770627 is a deficient number, since it is larger than the sum of its proper divisors (4751059293).

61763770627 is a wasteful number, since it uses less digits than its factorization.

61763770627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751059292.

The product of its (nonzero) digits is 3111696, while the sum is 52.

The spelling of 61763770627 in words is "sixty-one billion, seven hundred sixty-three million, seven hundred seventy thousand, six hundred twenty-seven".