391677914034 has 96 divisors (see below), whose sum is σ = 933899174208. Its totient is φ = 118631304000.

The previous prime is 391677913987. The next prime is 391677914059. The reversal of 391677914034 is 430419776193.

391677914034 is a `hidden beast` number, since 3 + 9 + 167 + 79 + 1 + 403 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87995509 + ... + 87999959.

It is an arithmetic number, because the mean of its divisors is an integer number (9728116398).

Almost surely, 2^391677914034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391677914034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466949587104).

391677914034 is an abundant number, since it is smaller than the sum of its proper divisors (542221260174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

391677914034 is a wasteful number, since it uses less digits than its factorization.

391677914034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 391677914034 in words is "three hundred ninety-one billion, six hundred seventy-seven million, nine hundred fourteen thousand, thirty-four".