72377503765091 has 8 divisors (see below), whose sum is σ = 82717235808864. Its totient is φ = 62037793883520.

The previous prime is 72377503765081. The next prime is 72377503765117. The reversal of 72377503765091 is 19056730577327.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72377503765091 - 2¹⁰ = 72377503764067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72377503765001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173661 + ... + 12226193.

It is an arithmetic number, because the mean of its divisors is an integer number (10339654476108).

Almost surely, 2^{72377503765091} is an apocalyptic number.

72377503765091 is a deficient number, since it is larger than the sum of its proper divisors (10339732043773).

72377503765091 is a wasteful number, since it uses less digits than its factorization.

72377503765091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081101.

The product of its (nonzero) digits is 58344300, while the sum is 62.

The spelling of 72377503765091 in words is "seventy-two trillion, three hundred seventy-seven billion, five hundred three million, seven hundred sixty-five thousand, ninety-one".