775216337 has 32 divisors (see below), whose sum is σ = 955100160. Its totient is φ = 614154240.

The previous prime is 775216307. The next prime is 775216339. The reversal of 775216337 is 733612577.

It is not a de Polignac number, because 775216337 - 2¹⁰ = 775215313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775216294 and 775216303.

It is not an unprimeable number, because it can be changed into a prime (775216339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2758637 + ... + 2758917.

It is an arithmetic number, because the mean of its divisors is an integer number (29846880).

Almost surely, 2^775216337 is an apocalyptic number.

It is an amenable number.

775216337 is a deficient number, since it is larger than the sum of its proper divisors (179883823).

775216337 is a wasteful number, since it uses less digits than its factorization.

775216337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 185220, while the sum is 41.

The square root of 775216337 is about 27842.7070702545. The cubic root of 775216337 is about 918.6307360144.

The spelling of 775216337 in words is "seven hundred seventy-five million, two hundred sixteen thousand, three hundred thirty-seven".