8154687340 has 24 divisors (see below), whose sum is σ = 17126795952. Its totient is φ = 3261503040.

The previous prime is 8154687337. The next prime is 8154687341. The reversal of 8154687340 is 437864518.

It is a happy number.

It is a super-2 number, since 2×8154687340² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8154687341) 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, 217242 + ... + 251998.

It is an arithmetic number, because the mean of its divisors is an integer number (713616498).

Almost surely, 2^8154687340 is an apocalyptic number.

It is an amenable number.

8154687340 is an abundant number, since it is smaller than the sum of its proper divisors (8972108612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8154687340 is a wasteful number, since it uses less digits than its factorization.

8154687340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497 (or 46495 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 8154687340 is about 90303.3074698817. The cubic root of 8154687340 is about 2012.8084088902.

The spelling of 8154687340 in words is "eight billion, one hundred fifty-four million, six hundred eighty-seven thousand, three hundred forty".