77626770850 has 48 divisors (see below), whose sum is σ = 145106712576. Its totient is φ = 30895992000.

The previous prime is 77626770841. The next prime is 77626770877. The reversal of 77626770850 is 5807762677.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 77626770791 and 77626770800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11228895 + ... + 11235805.

It is an arithmetic number, because the mean of its divisors is an integer number (3023056512).

Almost surely, 2^77626770850 is an apocalyptic number.

77626770850 is a deficient number, since it is larger than the sum of its proper divisors (67479941726).

77626770850 is a wasteful number, since it uses less digits than its factorization.

77626770850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011 (or 8006 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 77626770850 in words is "seventy-seven billion, six hundred twenty-six million, seven hundred seventy thousand, eight hundred fifty".