61222777883 has 2 divisors, whose sum is σ = 61222777884. Its totient is φ = 61222777882.

The previous prime is 61222777879. The next prime is 61222777921. The reversal of 61222777883 is 38877722216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61222777883 - 2² = 61222777879 is a prime.

It is a super-2 number, since 2×61222777883² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61222777823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611388941 + 30611388942.

It is an arithmetic number, because the mean of its divisors is an integer number (30611388942).

Almost surely, 2^61222777883 is an apocalyptic number.

61222777883 is a deficient number, since it is larger than the sum of its proper divisors (1).

61222777883 is an equidigital number, since it uses as much as digits as its factorization.

61222777883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 53.

The spelling of 61222777883 in words is "sixty-one billion, two hundred twenty-two million, seven hundred seventy-seven thousand, eight hundred eighty-three".