7700421004 has 24 divisors (see below), whose sum is σ = 14187835760. Its totient is φ = 3646835136.

The previous prime is 7700420989. The next prime is 7700421041. The reversal of 7700421004 is 4001240077.

It is a self number, because there is not a number n which added to its sum of digits gives 7700421004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653614 + ... + 665290.

Almost surely, 2^7700421004 is an apocalyptic number.

It is an amenable number.

7700421004 is a deficient number, since it is larger than the sum of its proper divisors (6487414756).

7700421004 is a wasteful number, since it uses less digits than its factorization.

7700421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377 (or 20375 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 7700421004 is about 87752.0427340583. The cubic root of 7700421004 is about 1974.7168106701.

The spelling of 7700421004 in words is "seven billion, seven hundred million, four hundred twenty-one thousand, four".