76231387 has 8 divisors (see below), whose sum is σ = 78953472. Its totient is φ = 73525800.

The previous prime is 76231381. The next prime is 76231399. The reversal of 76231387 is 78313267.

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

It is a de Polignac number, because none of the positive numbers 2^k-76231387 is a prime.

It is a super-2 number, since 2×76231387² = 11622448727887538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76231381) 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, 5688 + ... + 13594.

It is an arithmetic number, because the mean of its divisors is an integer number (9869184).

Almost surely, 2^76231387 is an apocalyptic number.

76231387 is a deficient number, since it is larger than the sum of its proper divisors (2722085).

76231387 is a wasteful number, since it uses less digits than its factorization.

76231387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249.

The product of its digits is 42336, while the sum is 37.

The square root of 76231387 is about 8731.0587559585. The cubic root of 76231387 is about 424.0117976870.

It can be divided in two parts, 7623 and 1387, that multiplied together give a triangular number (10573101 = T₄₅₉₈).

The spelling of 76231387 in words is "seventy-six million, two hundred thirty-one thousand, three hundred eighty-seven".