61276383528 has 32 divisors (see below), whose sum is σ = 153252312000. Its totient is φ = 20417280768.

The previous prime is 61276383491. The next prime is 61276383529. The reversal of 61276383528 is 82538367216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61276383529) 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, 449953 + ... + 570096.

It is an arithmetic number, because the mean of its divisors is an integer number (4789134750).

Almost surely, 2^61276383528 is an apocalyptic number.

It is an amenable number.

61276383528 is an abundant number, since it is smaller than the sum of its proper divisors (91975928472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61276383528 is a wasteful number, since it uses less digits than its factorization.

61276383528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022561 (or 1022557 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 61276383528 in words is "sixty-one billion, two hundred seventy-six million, three hundred eighty-three thousand, five hundred twenty-eight".