77024090020531 has 4 divisors (see below), whose sum is σ = 77027850432072. Its totient is φ = 77020329608992.

The previous prime is 77024090020513. The next prime is 77024090020541. The reversal of 77024090020531 is 13502009042077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77024090020531 - 2²⁷ = 77023955802803 is a prime.

It is a super-2 number, since 2×77024090020531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77024090020541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880175046 + ... + 1880216011.

It is an arithmetic number, because the mean of its divisors is an integer number (19256962608018).

Almost surely, 2^{77024090020531} is an apocalyptic number.

77024090020531 is a deficient number, since it is larger than the sum of its proper divisors (3760411541).

77024090020531 is a wasteful number, since it uses less digits than its factorization.

77024090020531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760411540.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 77024090020531 in words is "seventy-seven trillion, twenty-four billion, ninety million, twenty thousand, five hundred thirty-one".