61474077843 has 8 divisors (see below), whose sum is σ = 81966583248. Its totient is φ = 40982145504.

The previous prime is 61474077799. The next prime is 61474077851. The reversal of 61474077843 is 34877047416.

61474077843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61474077843 - 2¹⁰ = 61474076819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61474070843) 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, 337905 + ... + 486957.

It is an arithmetic number, because the mean of its divisors is an integer number (10245822906).

Almost surely, 2^61474077843 is an apocalyptic number.

61474077843 is a deficient number, since it is larger than the sum of its proper divisors (20492505405).

61474077843 is a wasteful number, since it uses less digits than its factorization.

61474077843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286533.

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 61474077843 in words is "sixty-one billion, four hundred seventy-four million, seventy-seven thousand, eight hundred forty-three".