61767110077672 has 64 divisors (see below), whose sum is σ = 117856822305600. Its totient is φ = 30339348695040.

The previous prime is 61767110077639. The next prime is 61767110077693. The reversal of 61767110077672 is 27677001176716.

61767110077672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5271574758 + ... + 5271586474.

It is an arithmetic number, because the mean of its divisors is an integer number (1841512848525).

Almost surely, 2^{61767110077672} is an apocalyptic number.

It is an amenable number.

61767110077672 is a deficient number, since it is larger than the sum of its proper divisors (56089712227928).

61767110077672 is a wasteful number, since it uses less digits than its factorization.

61767110077672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466 (or 18462 counting only the distinct ones).

The product of its (nonzero) digits is 7260624, while the sum is 58.

The spelling of 61767110077672 in words is "sixty-one trillion, seven hundred sixty-seven billion, one hundred ten million, seventy-seven thousand, six hundred seventy-two".