7685770048 has 56 divisors (see below), whose sum is σ = 16661245824. Its totient is φ = 3488640000.

The previous prime is 7685770039. The next prime is 7685770049. The reversal of 7685770048 is 8400775867.

It is a super-2 number, since 2×7685770048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7685769977 and 7685770004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685770049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521436 + ... + 535972.

Almost surely, 2^7685770048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7685770048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8330622912).

7685770048 is an abundant number, since it is smaller than the sum of its proper divisors (8975475776).

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

7685770048 is a wasteful number, since it uses less digits than its factorization.

7685770048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311 (or 15301 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The square root of 7685770048 is about 87668.5237014973. The cubic root of 7685770048 is about 1973.4636386237.

The spelling of 7685770048 in words is "seven billion, six hundred eighty-five million, seven hundred seventy thousand, forty-eight".