75371142077 has 32 divisors (see below), whose sum is σ = 96021292800. Its totient is φ = 58648484160.

The previous prime is 75371142043. The next prime is 75371142103. The reversal of 75371142077 is 77024117357.

It is not a de Polignac number, because 75371142077 - 2¹⁶ = 75371076541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75371141077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2751983 + ... + 2779235.

It is an arithmetic number, because the mean of its divisors is an integer number (3000665400).

Almost surely, 2^75371142077 is an apocalyptic number.

75371142077 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

75371142077 is a deficient number, since it is larger than the sum of its proper divisors (20650150723).

75371142077 is a wasteful number, since it uses less digits than its factorization.

75371142077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018 (or 28004 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 75371142077 in words is "seventy-five billion, three hundred seventy-one million, one hundred forty-two thousand, seventy-seven".