87370151191 has 4 divisors (see below), whose sum is σ = 87370793584. Its totient is φ = 87369508800.

The previous prime is 87370151131. The next prime is 87370151201. The reversal of 87370151191 is 19115107378.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 6-Lehmer number, since φ(87370151191) divides (87370151191-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 87370151191 - 2³⁵ = 53010412823 is a prime.

It is a pancake number, because a pancake can be divided into 87370151191 parts by 418019 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87370151131) 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, 27930 + ... + 418951.

It is an arithmetic number, because the mean of its divisors is an integer number (21842698396).

Almost surely, 2^87370151191 is an apocalyptic number.

87370151191 is a deficient number, since it is larger than the sum of its proper divisors (642393).

87370151191 is a wasteful number, since it uses less digits than its factorization.

87370151191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642392.

The product of its (nonzero) digits is 52920, while the sum is 43.

The spelling of 87370151191 in words is "eighty-seven billion, three hundred seventy million, one hundred fifty-one thousand, one hundred ninety-one".