75697301387 has 4 divisors (see below), whose sum is σ = 76938240816. Its totient is φ = 74456361960.

The previous prime is 75697301371. The next prime is 75697301389. The reversal of 75697301387 is 78310379657.

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 75697301387 - 2⁴ = 75697301371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75697301389) 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, 620469623 + ... + 620469744.

It is an arithmetic number, because the mean of its divisors is an integer number (19234560204).

Almost surely, 2^75697301387 is an apocalyptic number.

75697301387 is a deficient number, since it is larger than the sum of its proper divisors (1240939429).

75697301387 is a wasteful number, since it uses less digits than its factorization.

75697301387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240939428.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 75697301387 in words is "seventy-five billion, six hundred ninety-seven million, three hundred one thousand, three hundred eighty-seven".