77051793 has 16 divisors (see below), whose sum is σ = 126444416. Its totient is φ = 40642560.

The previous prime is 77051791. The next prime is 77051801. The reversal of 77051793 is 39715077.

It is a happy number.

It is not a de Polignac number, because 77051793 - 2¹ = 77051791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (77051791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140848 + ... + 141393.

It is an arithmetic number, because the mean of its divisors is an integer number (7902776).

Almost surely, 2^77051793 is an apocalyptic number.

It is an amenable number.

77051793 is a deficient number, since it is larger than the sum of its proper divisors (49392623).

77051793 is a wasteful number, since it uses less digits than its factorization.

77051793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282264.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 77051793 is about 8777.9150713595. The cubic root of 77051793 is about 425.5274521631.

The spelling of 77051793 in words is "seventy-seven million, fifty-one thousand, seven hundred ninety-three".