75997780748 has 12 divisors (see below), whose sum is σ = 133012545960. Its totient is φ = 37994196192.

The previous prime is 75997780717. The next prime is 75997780763. The reversal of 75997780748 is 84708779957.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136993 + ... + 1201976.

It is an arithmetic number, because the mean of its divisors is an integer number (11084378830).

Almost surely, 2^75997780748 is an apocalyptic number.

It is an amenable number.

75997780748 is a deficient number, since it is larger than the sum of its proper divisors (57014765212).

75997780748 is a wasteful number, since it uses less digits than its factorization.

75997780748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347096 (or 2347094 counting only the distinct ones).

The product of its (nonzero) digits is 248935680, while the sum is 71.

The spelling of 75997780748 in words is "seventy-five billion, nine hundred ninety-seven million, seven hundred eighty thousand, seven hundred forty-eight".