771898396 has 12 divisors (see below), whose sum is σ = 1430282448. Its totient is φ = 363246272.

The previous prime is 771898381. The next prime is 771898397. The reversal of 771898396 is 693898177.

It is a self number, because there is not a number n which added to its sum of digits gives 771898396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771898397) 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, 5675656 + ... + 5675791.

It is an arithmetic number, because the mean of its divisors is an integer number (119190204).

Almost surely, 2^771898396 is an apocalyptic number.

It is an amenable number.

771898396 is a deficient number, since it is larger than the sum of its proper divisors (658384052).

771898396 is a wasteful number, since it uses less digits than its factorization.

771898396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351468 (or 11351466 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The square root of 771898396 is about 27783.0595147475. The cubic root of 771898396 is about 917.3182759724.

The spelling of 771898396 in words is "seven hundred seventy-one million, eight hundred ninety-eight thousand, three hundred ninety-six".