1427624131678 has 4 divisors (see below), whose sum is σ = 2141436197520. Its totient is φ = 713812065838.

The previous prime is 1427624131627. The next prime is 1427624131697. The reversal of 1427624131678 is 8761314267241.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1427624131678² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356906032918 + ... + 356906032921.

It is an arithmetic number, because the mean of its divisors is an integer number (535359049380).

Almost surely, 2^{1427624131678} is an apocalyptic number.

1427624131678 is a deficient number, since it is larger than the sum of its proper divisors (713812065842).

1427624131678 is an equidigital number, since it uses as much as digits as its factorization.

1427624131678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713812065841.

The product of its digits is 2709504, while the sum is 52.

The spelling of 1427624131678 in words is "one trillion, four hundred twenty-seven billion, six hundred twenty-four million, one hundred thirty-one thousand, six hundred seventy-eight".