987928077322 has 32 divisors (see below), whose sum is σ = 1519268078592. Its totient is φ = 481587731184.

The previous prime is 987928077319. The next prime is 987928077347. The reversal of 987928077322 is 223770829789.

It is a super-2 number, since 2×987928077322² (a number of 25 digits) contains 22 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, 159263073 + ... + 159269275.

It is an arithmetic number, because the mean of its divisors is an integer number (47477127456).

Almost surely, 2^987928077322 is an apocalyptic number.

987928077322 is a deficient number, since it is larger than the sum of its proper divisors (531340001270).

987928077322 is a wasteful number, since it uses less digits than its factorization.

987928077322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 987928077322 in words is "nine hundred eighty-seven billion, nine hundred twenty-eight million, seventy-seven thousand, three hundred twenty-two".