8122693920 has 96 divisors (see below), whose sum is σ = 27912548160. Its totient is φ = 1969136640.

The previous prime is 8122693877. The next prime is 8122693949. The reversal of 8122693920 is 293962218.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×8122693920³ (a number of 31 digits) contains 333 as substring.

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, 763915 + ... + 774474.

It is an arithmetic number, because the mean of its divisors is an integer number (290755710).

Almost surely, 2^8122693920 is an apocalyptic number.

8122693920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8122693920 is an abundant number, since it is smaller than the sum of its proper divisors (19789854240).

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

8122693920 is a wasteful number, since it uses less digits than its factorization.

8122693920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538418 (or 1538410 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 8122693920 is about 90125.9891485247. The cubic root of 8122693920 is about 2010.1726640614.

The spelling of 8122693920 in words is "eight billion, one hundred twenty-two million, six hundred ninety-three thousand, nine hundred twenty".