8402997760 has 80 divisors (see below), whose sum is σ = 21208017600. Its totient is φ = 3184275456.

The previous prime is 8402997749. The next prime is 8402997773. The reversal of 8402997760 is 677992048.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8402997760² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8402997698 and 8402997707.

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, 37740 + ... + 135019.

It is an arithmetic number, because the mean of its divisors is an integer number (265100220).

Almost surely, 2^8402997760 is an apocalyptic number.

8402997760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8402997760 is an abundant number, since it is smaller than the sum of its proper divisors (12805019840).

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

8402997760 is a wasteful number, since it uses less digits than its factorization.

8402997760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172801 (or 172785 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 8402997760 is about 91667.8665618438. The cubic root of 8402997760 is about 2033.0345033089.

The spelling of 8402997760 in words is "eight billion, four hundred two million, nine hundred ninety-seven thousand, seven hundred sixty".