61877487206 has 8 divisors (see below), whose sum is σ = 93297144504. Its totient is φ = 30778439040.

The previous prime is 61877487197. The next prime is 61877487223. The reversal of 61877487206 is 60278477816.

It is a happy number.

61877487206 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80151800 + ... + 80152571.

It is an arithmetic number, because the mean of its divisors is an integer number (11662143063).

Almost surely, 2^61877487206 is an apocalyptic number.

61877487206 is a deficient number, since it is larger than the sum of its proper divisors (31419657298).

61877487206 is a wasteful number, since it uses less digits than its factorization.

61877487206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160304566.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 61877487206 in words is "sixty-one billion, eight hundred seventy-seven million, four hundred eighty-seven thousand, two hundred six".