8401858716 has 48 divisors (see below), whose sum is σ = 19832891904. Its totient is φ = 2768107776.

The previous prime is 8401858681. The next prime is 8401858721. The reversal of 8401858716 is 6178581048.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489211 + ... + 506093.

It is an arithmetic number, because the mean of its divisors is an integer number (413185248).

Almost surely, 2^8401858716 is an apocalyptic number.

It is an amenable number.

8401858716 is an abundant number, since it is smaller than the sum of its proper divisors (11431033188).

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

8401858716 is a wasteful number, since it uses less digits than its factorization.

8401858716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17370 (or 17368 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The square root of 8401858716 is about 91661.6534653396. The cubic root of 8401858716 is about 2032.9426384586.

It can be divided in two parts, 840 and 1858716, that added together give a triangular number (1859556 = T₁₉₂₈).

The spelling of 8401858716 in words is "eight billion, four hundred one million, eight hundred fifty-eight thousand, seven hundred sixteen".