77835460851 has 12 divisors (see below), whose sum is σ = 112718024640. Its totient is φ = 51756910800.

The previous prime is 77835460847. The next prime is 77835460867. The reversal of 77835460851 is 15806453877.

It is a happy number.

77835460851 is a `hidden beast` number, since 7 + 78 + 35 + 460 + 85 + 1 = 666.

It is not a de Polignac number, because 77835460851 - 2² = 77835460847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77835480851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11112675 + ... + 11119676.

It is an arithmetic number, because the mean of its divisors is an integer number (9393168720).

Almost surely, 2^77835460851 is an apocalyptic number.

77835460851 is a deficient number, since it is larger than the sum of its proper divisors (34882563789).

77835460851 is a wasteful number, since it uses less digits than its factorization.

77835460851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232746 (or 22232743 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 77835460851 in words is "seventy-seven billion, eight hundred thirty-five million, four hundred sixty thousand, eight hundred fifty-one".