7887954000 has 80 divisors (see below), whose sum is σ = 25430783040. Its totient is φ = 2103452800.

The previous prime is 7887953989. The next prime is 7887954017. The reversal of 7887954000 is 4597887.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7887954000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651330 + ... + 663329.

It is an arithmetic number, because the mean of its divisors is an integer number (317884788).

Almost surely, 2^7887954000 is an apocalyptic number.

It is an amenable number.

7887954000 is an abundant number, since it is smaller than the sum of its proper divisors (17542829040).

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

7887954000 is a wasteful number, since it uses less digits than its factorization.

7887954000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314685 (or 1314669 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 7887954000 is about 88814.1542773448. The cubic root of 7887954000 is about 1990.6188996097.

The spelling of 7887954000 in words is "seven billion, eight hundred eighty-seven million, nine hundred fifty-four thousand".