775990088 has 8 divisors (see below), whose sum is σ = 1454981430. Its totient is φ = 387995040.

The previous prime is 775990079. The next prime is 775990099. The reversal of 775990088 is 880099577.

It can be written as a sum of positive squares in only one way, i.e., 493817284 + 282172804 = 22222^2 + 16798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48499373 + ... + 48499388.

Almost surely, 2^775990088 is an apocalyptic number.

It is an amenable number.

775990088 is a deficient number, since it is larger than the sum of its proper divisors (678991342).

775990088 is a wasteful number, since it uses less digits than its factorization.

775990088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96998767 (or 96998763 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 775990088 is about 27856.5986437684. The cubic root of 775990088 is about 918.9362658238.

The spelling of 775990088 in words is "seven hundred seventy-five million, nine hundred ninety thousand, eighty-eight".