877990479 has 8 divisors (see below), whose sum is σ = 1170849792. Its totient is φ = 585229080.

The previous prime is 877990459. The next prime is 877990499. The reversal of 877990479 is 974099778.

It is an interprime number because it is at equal distance from previous prime (877990459) and next prime (877990499).

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

It is not a de Polignac number, because 877990479 - 2⁵ = 877990447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877990459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 41904.

It is an arithmetic number, because the mean of its divisors is an integer number (146356224).

Almost surely, 2^877990479 is an apocalyptic number.

877990479 is a deficient number, since it is larger than the sum of its proper divisors (292859313).

877990479 is a wasteful number, since it uses less digits than its factorization.

877990479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48957.

The product of its (nonzero) digits is 8001504, while the sum is 60.

The square root of 877990479 is about 29630.9041205293. The cubic root of 877990479 is about 957.5539867803.

The spelling of 877990479 in words is "eight hundred seventy-seven million, nine hundred ninety thousand, four hundred seventy-nine".