7904283988 has 6 divisors (see below), whose sum is σ = 13832496986. Its totient is φ = 3952141992.

The previous prime is 7904283967. The next prime is 7904284009. The reversal of 7904283988 is 8893824097.

It is an interprime number because it is at equal distance from previous prime (7904283967) and next prime (7904284009).

It can be written as a sum of positive squares in only one way, i.e., 7646103364 + 258180624 = 87442^2 + 16068^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988035495 + ... + 988035502.

Almost surely, 2^7904283988 is an apocalyptic number.

It is an amenable number.

7904283988 is a deficient number, since it is larger than the sum of its proper divisors (5928212998).

7904283988 is a wasteful number, since it uses less digits than its factorization.

7904283988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976071001 (or 1976070999 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The square root of 7904283988 is about 88906.0402222481. The cubic root of 7904283988 is about 1991.9916415648.

The spelling of 7904283988 in words is "seven billion, nine hundred four million, two hundred eighty-three thousand, nine hundred eighty-eight".