61228303967 has 4 divisors (see below), whose sum is σ = 61228921200. Its totient is φ = 61227686736.

The previous prime is 61228303951. The next prime is 61228303991. The reversal of 61228303967 is 76930382216.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61228303967 - 2⁴ = 61228303951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61428303967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122342 + ... + 370707.

It is an arithmetic number, because the mean of its divisors is an integer number (15307230300).

Almost surely, 2^61228303967 is an apocalyptic number.

61228303967 is a deficient number, since it is larger than the sum of its proper divisors (617233).

61228303967 is a wasteful number, since it uses less digits than its factorization.

61228303967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617232.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 61228303967 in words is "sixty-one billion, two hundred twenty-eight million, three hundred three thousand, nine hundred sixty-seven".