77137664350 has 24 divisors (see below), whose sum is σ = 145204690680. Its totient is φ = 30483316320.

The previous prime is 77137664323. The next prime is 77137664377. The reversal of 77137664350 is 5346673177.

It is an interprime number because it is at equal distance from previous prime (77137664323) and next prime (77137664377).

It is a super-2 number, since 2×77137664350² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77137664294 and 77137664303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9289545 + ... + 9297844.

It is an arithmetic number, because the mean of its divisors is an integer number (6050195445).

Almost surely, 2^77137664350 is an apocalyptic number.

77137664350 is a deficient number, since it is larger than the sum of its proper divisors (68067026330).

77137664350 is a wasteful number, since it uses less digits than its factorization.

77137664350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587484 (or 18587479 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 77137664350 in words is "seventy-seven billion, one hundred thirty-seven million, six hundred sixty-four thousand, three hundred fifty".