807223520078 has 24 divisors (see below), whose sum is σ = 1299979247448. Its totient is φ = 375629257872.

The previous prime is 807223520071. The next prime is 807223520083. The reversal of 807223520078 is 870025322708.

It is a super-2 number, since 2×807223520078² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807223520071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10271276 + ... + 10349567.

It is an arithmetic number, because the mean of its divisors is an integer number (54165801977).

Almost surely, 2^807223520078 is an apocalyptic number.

807223520078 is a deficient number, since it is larger than the sum of its proper divisors (492755727370).

807223520078 is a wasteful number, since it uses less digits than its factorization.

807223520078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20620928 (or 20620905 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 807223520078 in words is "eight hundred seven billion, two hundred twenty-three million, five hundred twenty thousand, seventy-eight".