61772376303 has 32 divisors (see below), whose sum is σ = 99881886720. Its totient is φ = 37419900480.

The previous prime is 61772376277. The next prime is 61772376397. The reversal of 61772376303 is 30367327716.

61772376303 is a `hidden beast` number, since 6 + 1 + 7 + 7 + 2 + 3 + 7 + 630 + 3 = 666.

It is not a de Polignac number, because 61772376303 - 2⁸ = 61772376047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61772376503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586026 + ... + 683352.

It is an arithmetic number, because the mean of its divisors is an integer number (3121308960).

Almost surely, 2^61772376303 is an apocalyptic number.

61772376303 is a deficient number, since it is larger than the sum of its proper divisors (38109510417).

61772376303 is a wasteful number, since it uses less digits than its factorization.

61772376303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99484 (or 99478 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The spelling of 61772376303 in words is "sixty-one billion, seven hundred seventy-two million, three hundred seventy-six thousand, three hundred three".