77837340758 has 16 divisors (see below), whose sum is σ = 118837229760. Its totient is φ = 38226067656.

The previous prime is 77837340739. The next prime is 77837340767. The reversal of 77837340758 is 85704373877.

It is a happy number.

It is a super-4 number, since 4×77837340758⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 77837340697 and 77837340706.

It is a congruent number.

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, 146360 + ... + 420827.

It is an arithmetic number, because the mean of its divisors is an integer number (7427326860).

Almost surely, 2^77837340758 is an apocalyptic number.

77837340758 is a deficient number, since it is larger than the sum of its proper divisors (40999889002).

77837340758 is a wasteful number, since it uses less digits than its factorization.

77837340758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568411.

The product of its (nonzero) digits is 27659520, while the sum is 59.

The spelling of 77837340758 in words is "seventy-seven billion, eight hundred thirty-seven million, three hundred forty thousand, seven hundred fifty-eight".