7750135680 has 128 divisors (see below), whose sum is σ = 28232686080. Its totient is φ = 1771456512.

The previous prime is 7750135651. The next prime is 7750135681. The reversal of 7750135680 is 865310577.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7750135681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274884 + ... + 301763.

It is an arithmetic number, because the mean of its divisors is an integer number (220567860).

Almost surely, 2^7750135680 is an apocalyptic number.

7750135680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7750135680 is an abundant number, since it is smaller than the sum of its proper divisors (20482550400).

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

7750135680 is a wasteful number, since it uses less digits than its factorization.

7750135680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576676 (or 576664 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 7750135680 is about 88034.8549155390. The cubic root of 7750135680 is about 1978.9573533047.

The spelling of 7750135680 in words is "seven billion, seven hundred fifty million, one hundred thirty-five thousand, six hundred eighty".