77860080350250 has 64 divisors (see below), whose sum is σ = 212005920627072. Its totient is φ = 18875170992000.

The previous prime is 77860080350249. The next prime is 77860080350251. The reversal of 77860080350250 is 5205308006877.

It is an interprime number because it is at equal distance from previous prime (77860080350249) and next prime (77860080350251).

It is a super-2 number, since 2×77860080350250² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77860080350193 and 77860080350202.

It is not an unprimeable number, because it can be changed into a prime (77860080350251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4718784499 + ... + 4718800998.

It is an arithmetic number, because the mean of its divisors is an integer number (3312592509798).

Almost surely, 2^{77860080350250} is an apocalyptic number.

77860080350250 is an abundant number, since it is smaller than the sum of its proper divisors (134145840276822).

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

77860080350250 is a wasteful number, since it uses less digits than its factorization.

77860080350250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437585528 (or 9437585518 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 77860080350250 in words is "seventy-seven trillion, eight hundred sixty billion, eighty million, three hundred fifty thousand, two hundred fifty".