84851772 has 24 divisors (see below), whose sum is σ = 199436496. Its totient is φ = 28076928.

The previous prime is 84851737. The next prime is 84851783. The reversal of 84851772 is 27715848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24163 + ... + 27450.

It is an arithmetic number, because the mean of its divisors is an integer number (8309854).

Almost surely, 2^84851772 is an apocalyptic number.

It is an amenable number.

84851772 is an abundant number, since it is smaller than the sum of its proper divisors (114584724).

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

84851772 is a wasteful number, since it uses less digits than its factorization.

84851772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51757 (or 51755 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 84851772 is about 9211.5021576288. The cubic root of 84851772 is about 439.4272368316.

The spelling of 84851772 in words is "eighty-four million, eight hundred fifty-one thousand, seven hundred seventy-two".