928406387488 has 12 divisors (see below), whose sum is σ = 1827800075430. Its totient is φ = 464203193728.

The previous prime is 928406387449. The next prime is 928406387521. The reversal of 928406387488 is 884783604829.

It can be written as a sum of positive squares in only one way, i.e., 631281099024 + 297125288464 = 794532^2 + 545092^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14506349773 + ... + 14506349836.

Almost surely, 2^928406387488 is an apocalyptic number.

It is an amenable number.

928406387488 is a deficient number, since it is larger than the sum of its proper divisors (899393687942).

928406387488 is a wasteful number, since it uses less digits than its factorization.

928406387488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29012699619 (or 29012699611 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 928406387488 in words is "nine hundred twenty-eight billion, four hundred six million, three hundred eighty-seven thousand, four hundred eighty-eight".