979006455890 has 8 divisors (see below), whose sum is σ = 1762211620620. Its totient is φ = 391602582352.

The previous prime is 979006455883. The next prime is 979006455929. The reversal of 979006455890 is 98554600979.

It can be written as a sum of positive squares in 2 ways, for example, as 971503951201 + 7502504689 = 985649^2 + 86617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 48950322785 + ... + 48950322804.

Almost surely, 2^979006455890 is an apocalyptic number.

979006455890 is a deficient number, since it is larger than the sum of its proper divisors (783205164730).

979006455890 is a wasteful number, since it uses less digits than its factorization.

979006455890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97900645596.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 979006455890 in words is "nine hundred seventy-nine billion, six million, four hundred fifty-five thousand, eight hundred ninety".