9928567390 has 16 divisors (see below), whose sum is σ = 20424481632. Its totient is φ = 3404080224.

The previous prime is 9928567387. The next prime is 9928567423. The reversal of 9928567390 is 937658299.

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, 70918269 + ... + 70918408.

It is an arithmetic number, because the mean of its divisors is an integer number (1276530102).

Almost surely, 2^9928567390 is an apocalyptic number.

9928567390 is an abundant number, since it is smaller than the sum of its proper divisors (10495914242).

9928567390 is a wasteful number, since it uses less digits than its factorization.

9928567390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141836691.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 9928567390 is about 99642.1968344737. The cubic root of 9928567390 is about 2149.2925301634.

The spelling of 9928567390 in words is "nine billion, nine hundred twenty-eight million, five hundred sixty-seven thousand, three hundred ninety".