61452039877 has 16 divisors (see below), whose sum is σ = 63725939200. Its totient is φ = 59196899520.

The previous prime is 61452039863. The next prime is 61452039899. The reversal of 61452039877 is 77893025416.

It is a cyclic number.

It is not a de Polignac number, because 61452039877 - 2¹⁹ = 61451515589 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 (61452031877) 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, 7885699 + ... + 7893487.

It is an arithmetic number, because the mean of its divisors is an integer number (3982871200).

It is a 1-persistent number, because it is pandigital, but 2⋅61452039877 = 122904079754 is not.

Almost surely, 2^61452039877 is an apocalyptic number.

It is an amenable number.

61452039877 is a deficient number, since it is larger than the sum of its proper divisors (2273899323).

61452039877 is a wasteful number, since it uses less digits than its factorization.

61452039877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 61452039877 in words is "sixty-one billion, four hundred fifty-two million, thirty-nine thousand, eight hundred seventy-seven".