776540330 has 8 divisors (see below), whose sum is σ = 1397772612. Its totient is φ = 310616128.

The previous prime is 776540327. The next prime is 776540333. The reversal of 776540330 is 33045677.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (776540327) and next prime (776540333).

It can be written as a sum of positive squares in 2 ways, for example, as 713798089 + 62742241 = 26717^2 + 7921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (776540333) 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, 38827007 + ... + 38827026.

Almost surely, 2^776540330 is an apocalyptic number.

776540330 is a deficient number, since it is larger than the sum of its proper divisors (621232282).

776540330 is a wasteful number, since it uses less digits than its factorization.

776540330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77654040.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 776540330 is about 27866.4732250064. The cubic root of 776540330 is about 919.1534154457.

The spelling of 776540330 in words is "seven hundred seventy-six million, five hundred forty thousand, three hundred thirty".