842013977 has 8 divisors (see below), whose sum is σ = 982776576. Its totient is φ = 706370112.

The previous prime is 842013973. The next prime is 842013989. The reversal of 842013977 is 779310248.

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

It is not a de Polignac number, because 842013977 - 2² = 842013973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842013973) 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, 1279328 + ... + 1279985.

It is an arithmetic number, because the mean of its divisors is an integer number (122847072).

Almost surely, 2^842013977 is an apocalyptic number.

It is an amenable number.

842013977 is a deficient number, since it is larger than the sum of its proper divisors (140762599).

842013977 is a wasteful number, since it uses less digits than its factorization.

842013977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559367.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 842013977 is about 29017.4770957091. The cubic root of 842013977 is about 944.2922677961.

The spelling of 842013977 in words is "eight hundred forty-two million, thirteen thousand, nine hundred seventy-seven".