68928592890 has 16 divisors (see below), whose sum is σ = 165428623008. Its totient is φ = 18380958096.

The previous prime is 68928592883. The next prime is 68928592897. The reversal of 68928592890 is 9829582986.

It is an interprime number because it is at equal distance from previous prime (68928592883) and next prime (68928592897).

It is not an unprimeable number, because it can be changed into a prime (68928592897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148809852 + ... + 1148809911.

It is an arithmetic number, because the mean of its divisors is an integer number (10339288938).

Almost surely, 2^68928592890 is an apocalyptic number.

68928592890 is an abundant number, since it is smaller than the sum of its proper divisors (96500030118).

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

68928592890 is a wasteful number, since it uses less digits than its factorization.

68928592890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297619773.

The product of its (nonzero) digits is 44789760, while the sum is 66.

The spelling of 68928592890 in words is "sixty-eight billion, nine hundred twenty-eight million, five hundred ninety-two thousand, eight hundred ninety".