77340400370 has 16 divisors (see below), whose sum is σ = 139754409048. Its totient is φ = 30815784960.

The previous prime is 77340400363. The next prime is 77340400427. The reversal of 77340400370 is 7300404377.

It can be written as a sum of positive squares in 4 ways, for example, as 77118956209 + 221444161 = 277703^2 + 14881^2 .

It is a super-2 number, since 2×77340400370² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77340400370.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15044201 + ... + 15049340.

Almost surely, 2^77340400370 is an apocalyptic number.

77340400370 is a deficient number, since it is larger than the sum of its proper divisors (62414008678).

77340400370 is a wasteful number, since it uses less digits than its factorization.

77340400370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30093805.

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 77340400370 in words is "seventy-seven billion, three hundred forty million, four hundred thousand, three hundred seventy".