78712222534 has 8 divisors (see below), whose sum is σ = 128801818728. Its totient is φ = 35778282960.

The previous prime is 78712222517. The next prime is 78712222541. The reversal of 78712222534 is 43522221787.

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

It is a super-2 number, since 2×78712222534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1788914127 + ... + 1788914170.

It is an arithmetic number, because the mean of its divisors is an integer number (16100227341).

Almost surely, 2^78712222534 is an apocalyptic number.

78712222534 is a deficient number, since it is larger than the sum of its proper divisors (50089596194).

78712222534 is a wasteful number, since it uses less digits than its factorization.

78712222534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577828310.

The product of its digits is 376320, while the sum is 43.

The spelling of 78712222534 in words is "seventy-eight billion, seven hundred twelve million, two hundred twenty-two thousand, five hundred thirty-four".