77140006755 has 32 divisors (see below), whose sum is σ = 141075869184. Its totient is φ = 35259038976.

The previous prime is 77140006747. The next prime is 77140006763. The reversal of 77140006755 is 55760004177.

It is an interprime number because it is at equal distance from previous prime (77140006747) and next prime (77140006763).

It is not a de Polignac number, because 77140006755 - 2³ = 77140006747 is a prime.

It is a super-2 number, since 2×77140006755² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757792 + ... + 853538.

It is an arithmetic number, because the mean of its divisors is an integer number (4408620912).

Almost surely, 2^77140006755 is an apocalyptic number.

77140006755 is a deficient number, since it is larger than the sum of its proper divisors (63935862429).

77140006755 is a wasteful number, since it uses less digits than its factorization.

77140006755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103435.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 77140006755 in words is "seventy-seven billion, one hundred forty million, six thousand, seven hundred fifty-five".