77093847770 has 16 divisors (see below), whose sum is σ = 141043827528. Its totient is φ = 30332005440.

The previous prime is 77093847767. The next prime is 77093847797. The reversal of 77093847770 is 7774839077.

It can be written as a sum of positive squares in 4 ways, for example, as 14996696521 + 62097151249 = 122461^2 + 249193^2 .

It is a super-2 number, since 2×77093847770² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63191069 + ... + 63192288.

Almost surely, 2^77093847770 is an apocalyptic number.

77093847770 is a deficient number, since it is larger than the sum of its proper divisors (63949979758).

77093847770 is a wasteful number, since it uses less digits than its factorization.

77093847770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126383425.

The product of its (nonzero) digits is 14521248, while the sum is 59.

The spelling of 77093847770 in words is "seventy-seven billion, ninety-three million, eight hundred forty-seven thousand, seven hundred seventy".