427615782951 has 16 divisors (see below), whose sum is σ = 669215949824. Its totient is φ = 237747770784.

The previous prime is 427615782931. The next prime is 427615782953. The reversal of 427615782951 is 159287516724.

It is not a de Polignac number, because 427615782951 - 2⁶ = 427615782887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427615782891 and 427615782900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427615782953) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 275170255 + ... + 275171808.

It is an arithmetic number, because the mean of its divisors is an integer number (41825996864).

Almost surely, 2^427615782951 is an apocalyptic number.

427615782951 is a deficient number, since it is larger than the sum of its proper divisors (241600166873).

427615782951 is a wasteful number, since it uses less digits than its factorization.

427615782951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550342110.

The product of its digits is 8467200, while the sum is 57.

The spelling of 427615782951 in words is "four hundred twenty-seven billion, six hundred fifteen million, seven hundred eighty-two thousand, nine hundred fifty-one".