819315077 has 16 divisors (see below), whose sum is σ = 960368640. Its totient is φ = 684340272.

The previous prime is 819315001. The next prime is 819315109. The reversal of 819315077 is 770513918.

It is not a de Polignac number, because 819315077 - 2¹⁰ = 819314053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819315677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136424 + ... + 142302.

It is an arithmetic number, because the mean of its divisors is an integer number (60023040).

Almost surely, 2^819315077 is an apocalyptic number.

It is an amenable number.

819315077 is a deficient number, since it is larger than the sum of its proper divisors (141053563).

819315077 is a wasteful number, since it uses less digits than its factorization.

819315077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 819315077 is about 28623.6803538609. The cubic root of 819315077 is about 935.7294876128.

The spelling of 819315077 in words is "eight hundred nineteen million, three hundred fifteen thousand, seventy-seven".