855047315730 has 16 divisors (see below), whose sum is σ = 2052113557824. Its totient is φ = 228012617520.

The previous prime is 855047315723. The next prime is 855047315737. The reversal of 855047315730 is 37513740558.

It is an interprime number because it is at equal distance from previous prime (855047315723) and next prime (855047315737).

It is a super-2 number, since 2×855047315730² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 855047315730.

It is not an unprimeable number, because it can be changed into a prime (855047315737) 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, 14250788566 + ... + 14250788625.

It is an arithmetic number, because the mean of its divisors is an integer number (128257097364).

Almost surely, 2^855047315730 is an apocalyptic number.

855047315730 is an abundant number, since it is smaller than the sum of its proper divisors (1197066242094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855047315730 is a wasteful number, since it uses less digits than its factorization.

855047315730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28501577201.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 855047315730 in words is "eight hundred fifty-five billion, forty-seven million, three hundred fifteen thousand, seven hundred thirty".