8492719644 has 96 divisors (see below), whose sum is σ = 22647018240. Its totient is φ = 2750739264.

The previous prime is 8492719639. The next prime is 8492719649. The reversal of 8492719644 is 4469172948.

It is an interprime number because it is at equal distance from previous prime (8492719639) and next prime (8492719649).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8492719649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910227 + ... + 919509.

It is an arithmetic number, because the mean of its divisors is an integer number (235906440).

Almost surely, 2^8492719644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8492719644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11323509120).

8492719644 is an abundant number, since it is smaller than the sum of its proper divisors (14154298596).

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

8492719644 is a wasteful number, since it uses less digits than its factorization.

8492719644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536 (or 9528 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 8492719644 is about 92155.9528408230. The cubic root of 8492719644 is about 2040.2447197770.

The spelling of 8492719644 in words is "eight billion, four hundred ninety-two million, seven hundred nineteen thousand, six hundred forty-four".