1427907988 has 96 divisors (see below), whose sum is σ = 3052707840. Its totient is φ = 577653120.

The previous prime is 1427907977. The next prime is 1427908021. The reversal of 1427907988 is 8897097241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703431 + ... + 705457.

It is an arithmetic number, because the mean of its divisors is an integer number (31799040).

Almost surely, 2^1427907988 is an apocalyptic number.

It is an amenable number.

1427907988 is an abundant number, since it is smaller than the sum of its proper divisors (1624799852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427907988 is a wasteful number, since it uses less digits than its factorization.

1427907988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 55.

The square root of 1427907988 is about 37787.6697879083. The cubic root of 1427907988 is about 1126.0735071220.

It can be divided in two parts, 1427907 and 988, that added together give a triangular number (1428895 = T₁₆₉₀).

The spelling of 1427907988 in words is "one billion, four hundred twenty-seven million, nine hundred seven thousand, nine hundred eighty-eight".