776792216 has 16 divisors (see below), whose sum is σ = 1470627600. Its totient is φ = 384624864.

The previous prime is 776792213. The next prime is 776792243. The reversal of 776792216 is 612297677.

It is a super-2 number, since 2×776792216² = 1206812293676381312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776792213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470531 + ... + 472178.

It is an arithmetic number, because the mean of its divisors is an integer number (91914225).

Almost surely, 2^776792216 is an apocalyptic number.

It is an amenable number.

776792216 is a deficient number, since it is larger than the sum of its proper divisors (693835384).

776792216 is a wasteful number, since it uses less digits than its factorization.

776792216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942818 (or 942814 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 776792216 is about 27870.9923755865. The cubic root of 776792216 is about 919.2527864807.

The spelling of 776792216 in words is "seven hundred seventy-six million, seven hundred ninety-two thousand, two hundred sixteen".