74887607407 has 2 divisors, whose sum is σ = 74887607408. Its totient is φ = 74887607406.

The previous prime is 74887607387. The next prime is 74887607411. The reversal of 74887607407 is 70470678847.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74887607407 - 2³¹ = 72740123759 is a prime.

It is a super-2 number, since 2×74887607407² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74887607447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37443803703 + 37443803704.

It is an arithmetic number, because the mean of its divisors is an integer number (37443803704).

Almost surely, 2^74887607407 is an apocalyptic number.

74887607407 is a deficient number, since it is larger than the sum of its proper divisors (1).

74887607407 is an equidigital number, since it uses as much as digits as its factorization.

74887607407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14751744, while the sum is 58.

The spelling of 74887607407 in words is "seventy-four billion, eight hundred eighty-seven million, six hundred seven thousand, four hundred seven".