851047960 has 64 divisors (see below), whose sum is σ = 2259025920. Its totient is φ = 282372480.

The previous prime is 851047937. The next prime is 851047969. The reversal of 851047960 is 69740158.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851047969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40344 + ... + 57703.

It is an arithmetic number, because the mean of its divisors is an integer number (35297280).

Almost surely, 2^851047960 is an apocalyptic number.

It is an amenable number.

851047960 is an abundant number, since it is smaller than the sum of its proper divisors (1407977960).

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

851047960 is a wasteful number, since it uses less digits than its factorization.

851047960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98096 (or 98092 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 851047960 is about 29172.7263038613. The cubic root of 851047960 is about 947.6573711219.

The spelling of 851047960 in words is "eight hundred fifty-one million, forty-seven thousand, nine hundred sixty".