879237681406 has 16 divisors (see below), whose sum is σ = 1518770436480. Its totient is φ = 373939689240.

The previous prime is 879237681389. The next prime is 879237681409. The reversal of 879237681406 is 604186732978.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879237681409) 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, 239703096 + ... + 239706763.

It is an arithmetic number, because the mean of its divisors is an integer number (94923152280).

Almost surely, 2^879237681406 is an apocalyptic number.

879237681406 is a deficient number, since it is larger than the sum of its proper divisors (639532755074).

879237681406 is a wasteful number, since it uses less digits than its factorization.

879237681406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479409999.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 879237681406 in words is "eight hundred seventy-nine billion, two hundred thirty-seven million, six hundred eighty-one thousand, four hundred six".