847000000077 has 32 divisors (see below), whose sum is σ = 1408925076480. Its totient is φ = 439710913920.

The previous prime is 847000000073. The next prime is 847000000129. The reversal of 847000000077 is 770000000748.

It is not a de Polignac number, because 847000000077 - 2² = 847000000073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 846999999984 and 847000000047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847000000073) 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, 851952 + ... + 1555577.

It is an arithmetic number, because the mean of its divisors is an integer number (44028908640).

Almost surely, 2^847000000077 is an apocalyptic number.

It is an amenable number.

847000000077 is a deficient number, since it is larger than the sum of its proper divisors (561925076403).

847000000077 is a wasteful number, since it uses less digits than its factorization.

847000000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409073.

The product of its (nonzero) digits is 10976, while the sum is 33.

The spelling of 847000000077 in words is "eight hundred forty-seven billion, seventy-seven", and thus it is an aban number.