61226902177 has 12 divisors (see below), whose sum is σ = 74331822400. Its totient is φ = 49393129536.

The previous prime is 61226902153. The next prime is 61226902189. The reversal of 61226902177 is 77120962216.

It is not a de Polignac number, because 61226902177 - 2²⁷ = 61092684449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61226902147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15130677 + ... + 15134722.

Almost surely, 2^61226902177 is an apocalyptic number.

It is an amenable number.

61226902177 is a deficient number, since it is larger than the sum of its proper divisors (13104920223).

61226902177 is a wasteful number, since it uses less digits than its factorization.

61226902177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30265440 (or 30265423 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 61226902177 in words is "sixty-one billion, two hundred twenty-six million, nine hundred two thousand, one hundred seventy-seven".