87299076381 has 8 divisors (see below), whose sum is σ = 126980474784. Its totient is φ = 52908531120.

The previous prime is 87299076377. The next prime is 87299076419. The reversal of 87299076381 is 18367099278.

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

It is not a de Polignac number, because 87299076381 - 2² = 87299076377 is a prime.

It is a super-2 number, since 2×87299076381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87299076341) 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, 1322713246 + ... + 1322713311.

It is an arithmetic number, because the mean of its divisors is an integer number (15872559348).

Almost surely, 2^87299076381 is an apocalyptic number.

It is an amenable number.

87299076381 is a deficient number, since it is larger than the sum of its proper divisors (39681398403).

87299076381 is a wasteful number, since it uses less digits than its factorization.

87299076381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645426571.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 87299076381 in words is "eighty-seven billion, two hundred ninety-nine million, seventy-six thousand, three hundred eighty-one".