77234456131450 has 96 divisors (see below), whose sum is σ = 153048838176000. Its totient is φ = 28997239760640.

The previous prime is 77234456131447. The next prime is 77234456131451. The reversal of 77234456131450 is 5413165443277.

It is a super-2 number, since 2×77234456131450² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77234456131451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89725201 + ... + 90581899.

It is an arithmetic number, because the mean of its divisors is an integer number (1594258731000).

Almost surely, 2^{77234456131450} is an apocalyptic number.

77234456131450 is a deficient number, since it is larger than the sum of its proper divisors (75814382044550).

77234456131450 is a wasteful number, since it uses less digits than its factorization.

77234456131450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857129 (or 857090 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 77234456131450 in words is "seventy-seven trillion, two hundred thirty-four billion, four hundred fifty-six million, one hundred thirty-one thousand, four hundred fifty".