61776271352 has 32 divisors (see below), whose sum is σ = 116662302000. Its totient is φ = 30666518784.

The previous prime is 61776271331. The next prime is 61776271363. The reversal of 61776271352 is 25317267716.

It is a happy number.

It is a super-3 number, since 3×61776271352³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61776271297 and 61776271306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822483 + ... + 2844285.

Almost surely, 2^61776271352 is an apocalyptic number.

It is an amenable number.

61776271352 is a deficient number, since it is larger than the sum of its proper divisors (54886030648).

61776271352 is a wasteful number, since it uses less digits than its factorization.

61776271352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24335 (or 24331 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The spelling of 61776271352 in words is "sixty-one billion, seven hundred seventy-six million, two hundred seventy-one thousand, three hundred fifty-two".