78904023526 has 8 divisors (see below), whose sum is σ = 118401407640. Its totient is φ = 39436887648.

The previous prime is 78904023493. The next prime is 78904023581. The reversal of 78904023526 is 62532040987.

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

It is a super-2 number, since 2×78904023526² (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, 7555536 + ... + 7565971.

It is an arithmetic number, because the mean of its divisors is an integer number (14800175955).

Almost surely, 2^78904023526 is an apocalyptic number.

78904023526 is a deficient number, since it is larger than the sum of its proper divisors (39497384114).

78904023526 is a wasteful number, since it uses less digits than its factorization.

78904023526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124118.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 78904023526 in words is "seventy-eight billion, nine hundred four million, twenty-three thousand, five hundred twenty-six".