78297607434 has 8 divisors (see below), whose sum is σ = 156595214880. Its totient is φ = 26099202476.

The previous prime is 78297607403. The next prime is 78297607441. The reversal of 78297607434 is 43470679287.

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

78297607434 is an admirable number.

It is a super-2 number, since 2×78297607434² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6524800614 + ... + 6524800625.

It is an arithmetic number, because the mean of its divisors is an integer number (19574401860).

Almost surely, 2^78297607434 is an apocalyptic number.

78297607434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78297607434 is a wasteful number, since it uses less digits than its factorization.

78297607434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049601244.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 78297607434 in words is "seventy-eight billion, two hundred ninety-seven million, six hundred seven thousand, four hundred thirty-four".