855804152761 has 8 divisors (see below), whose sum is σ = 904316993280. Its totient is φ = 808233309312.

The previous prime is 855804152741. The next prime is 855804152773. The reversal of 855804152761 is 167251408558.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 855804152761 - 2⁷ = 855804152633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855804152699 and 855804152708.

It is not an unprimeable number, because it can be changed into a prime (855804152711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235497400 + ... + 235501033.

It is an arithmetic number, because the mean of its divisors is an integer number (113039624160).

Almost surely, 2^855804152761 is an apocalyptic number.

It is an amenable number.

855804152761 is a deficient number, since it is larger than the sum of its proper divisors (48512840519).

855804152761 is a wasteful number, since it uses less digits than its factorization.

855804152761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470998535.

The product of its (nonzero) digits is 2688000, while the sum is 52.

The spelling of 855804152761 in words is "eight hundred fifty-five billion, eight hundred four million, one hundred fifty-two thousand, seven hundred sixty-one".