979850867 has 4 divisors (see below), whose sum is σ = 979978440. Its totient is φ = 979723296.

The previous prime is 979850863. The next prime is 979850887. The reversal of 979850867 is 768058979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979850867 - 2² = 979850863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979850863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51473 + ... + 67890.

It is an arithmetic number, because the mean of its divisors is an integer number (244994610).

Almost surely, 2^979850867 is an apocalyptic number.

979850867 is a deficient number, since it is larger than the sum of its proper divisors (127573).

979850867 is a wasteful number, since it uses less digits than its factorization.

979850867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127572.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 979850867 is about 31302.5696549021. The cubic root of 979850867 is about 993.2380007630.

The spelling of 979850867 in words is "nine hundred seventy-nine million, eight hundred fifty thousand, eight hundred sixty-seven".